Question
Solve the equation
x=630
Evaluate
6x−15=7x
Multiply both sides of the equation by LCD
(6x−15)×42=7x×42
Simplify the equation
More Steps

Evaluate
(6x−15)×42
Apply the distributive property
6x×42−15×42
Simplify
x×7−15×42
Use the commutative property to reorder the terms
7x−15×42
Multiply the numbers
7x−630
7x−630=7x×42
Simplify the equation
More Steps

Evaluate
7x×42
Simplify
x×6
Use the commutative property to reorder the terms
6x
7x−630=6x
Move the variable to the left side
7x−630−6x=0
Subtract the terms
More Steps

Evaluate
7x−6x
Collect like terms by calculating the sum or difference of their coefficients
(7−6)x
Subtract the numbers
x
x−630=0
Move the constant to the right side
x=0+630
Solution
x=630
Show Solution

Rewrite the equation
x=630
Evaluate
6x−15=7x
Rewrite the expression
61x−15=7x
Reduce the fraction
61x−15=71x
Multiply both sides of the equation by LCD
7x−630=6x
Move the variable to the left side
x−630=0
Solution
x=630
Show Solution
