Pre-Algebra Examples

Solve for x (3x)/10+(3x)/5=9
Step 1
Simplify .
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Step 1.1
To write as a fraction with a common denominator, multiply by .
Step 1.2
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 1.2.1
Multiply by .
Step 1.2.2
Multiply by .
Step 1.3
Combine the numerators over the common denominator.
Step 1.4
Simplify the numerator.
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Step 1.4.1
Factor out of .
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Step 1.4.1.1
Factor out of .
Step 1.4.1.2
Factor out of .
Step 1.4.1.3
Factor out of .
Step 1.4.2
Add and .
Step 1.4.3
Multiply by .
Step 2
Multiply both sides of the equation by .
Step 3
Simplify both sides of the equation.
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Step 3.1
Simplify the left side.
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Step 3.1.1
Simplify .
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Step 3.1.1.1
Cancel the common factor of .
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Step 3.1.1.1.1
Cancel the common factor.
Step 3.1.1.1.2
Rewrite the expression.
Step 3.1.1.2
Cancel the common factor of .
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Step 3.1.1.2.1
Factor out of .
Step 3.1.1.2.2
Cancel the common factor.
Step 3.1.1.2.3
Rewrite the expression.
Step 3.2
Simplify the right side.
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Step 3.2.1
Cancel the common factor of .
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Step 3.2.1.1
Cancel the common factor.
Step 3.2.1.2
Rewrite the expression.