Finite Math Examples

Solve for x y=1/(7x)+2
Step 1
Rewrite the equation as .
Step 2
Subtract from both sides of the equation.
Step 3
Find the LCD of the terms in the equation.
Tap for more steps...
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.
Tap for more steps...
Step 4.1
Multiply each term in by .
Step 4.2
Simplify the left side.
Tap for more steps...
Step 4.2.1
Rewrite using the commutative property of multiplication.
Step 4.2.2
Cancel the common factor of .
Tap for more steps...
Step 4.2.2.1
Factor out of .
Step 4.2.2.2
Cancel the common factor.
Step 4.2.2.3
Rewrite the expression.
Step 4.2.3
Cancel the common factor of .
Tap for more steps...
Step 4.2.3.1
Cancel the common factor.
Step 4.2.3.2
Rewrite the expression.
Step 4.3
Simplify the right side.
Tap for more steps...
Step 4.3.1
Simplify each term.
Tap for more steps...
Step 4.3.1.1
Rewrite using the commutative property of multiplication.
Step 4.3.1.2
Multiply by .
Step 5
Solve the equation.
Tap for more steps...
Step 5.1
Rewrite the equation as .
Step 5.2
Factor out of .
Tap for more steps...
Step 5.2.1
Factor out of .
Step 5.2.2
Factor out of .
Step 5.2.3
Factor out of .
Step 5.3
Divide each term in by and simplify.
Tap for more steps...
Step 5.3.1
Divide each term in by .
Step 5.3.2
Simplify the left side.
Tap for more steps...
Step 5.3.2.1
Cancel the common factor of .
Tap for more steps...
Step 5.3.2.1.1
Cancel the common factor.
Step 5.3.2.1.2
Rewrite the expression.
Step 5.3.2.2
Cancel the common factor of .
Tap for more steps...
Step 5.3.2.2.1
Cancel the common factor.
Step 5.3.2.2.2
Divide by .