Trigonometry Examples

Solve for x 9x+x/(2y)*(3x)=5xy
Step 1
Simplify each term.
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Step 1.1
Rewrite using the commutative property of multiplication.
Step 1.2
Combine and .
Step 1.3
Multiply .
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Step 1.3.1
Combine and .
Step 1.3.2
Raise to the power of .
Step 1.3.3
Raise to the power of .
Step 1.3.4
Use the power rule to combine exponents.
Step 1.3.5
Add and .
Step 2
Subtract from both sides of the equation.
Step 3
Find the LCD of the terms in the equation.
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Step 3.1
Finding the LCD of a list of values is the same as finding the LCM of the denominators of those values.
Step 3.2
The LCM of one and any expression is the expression.
Step 4
Multiply each term in by to eliminate the fractions.
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Step 4.1
Multiply each term in by .
Step 4.2
Simplify the left side.
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Step 4.2.1
Simplify each term.
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Step 4.2.1.1
Rewrite using the commutative property of multiplication.
Step 4.2.1.2
Multiply by .
Step 4.2.1.3
Rewrite using the commutative property of multiplication.
Step 4.2.1.4
Cancel the common factor of .
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Step 4.2.1.4.1
Factor out of .
Step 4.2.1.4.2
Cancel the common factor.
Step 4.2.1.4.3
Rewrite the expression.
Step 4.2.1.5
Cancel the common factor of .
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Step 4.2.1.5.1
Cancel the common factor.
Step 4.2.1.5.2
Rewrite the expression.
Step 4.2.1.6
Multiply by by adding the exponents.
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Step 4.2.1.6.1
Move .
Step 4.2.1.6.2
Multiply by .
Step 4.2.1.7
Multiply by .
Step 4.3
Simplify the right side.
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Step 4.3.1
Multiply .
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Step 4.3.1.1
Multiply by .
Step 4.3.1.2
Multiply by .
Step 5
Solve the equation.
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Step 5.1
Factor out of .
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Step 5.1.1
Factor out of .
Step 5.1.2
Factor out of .
Step 5.1.3
Factor out of .
Step 5.1.4
Factor out of .
Step 5.1.5
Factor out of .
Step 5.2
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 5.3
Set equal to .
Step 5.4
Set equal to and solve for .
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Step 5.4.1
Set equal to .
Step 5.4.2
Solve for .
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Step 5.4.2.1
Move all terms not containing to the right side of the equation.
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Step 5.4.2.1.1
Subtract from both sides of the equation.
Step 5.4.2.1.2
Add to both sides of the equation.
Step 5.4.2.2
Divide each term in by and simplify.
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Step 5.4.2.2.1
Divide each term in by .
Step 5.4.2.2.2
Simplify the left side.
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Step 5.4.2.2.2.1
Cancel the common factor of .
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Step 5.4.2.2.2.1.1
Cancel the common factor.
Step 5.4.2.2.2.1.2
Divide by .
Step 5.4.2.2.3
Simplify the right side.
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Step 5.4.2.2.3.1
Cancel the common factor of and .
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Step 5.4.2.2.3.1.1
Factor out of .
Step 5.4.2.2.3.1.2
Cancel the common factors.
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Step 5.4.2.2.3.1.2.1
Factor out of .
Step 5.4.2.2.3.1.2.2
Cancel the common factor.
Step 5.4.2.2.3.1.2.3
Rewrite the expression.
Step 5.4.2.2.3.1.2.4
Divide by .
Step 5.5
The final solution is all the values that make true.