15-7x=8-7(x-1)

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Solution for 15-7x=8-7(x-1) equation: 


Simplifying
15 + -7x = 8 + -7(x + -1)

Reorder the terms:
15 + -7x = 8 + -7(-1 + x)
15 + -7x = 8 + (-1 * -7 + x * -7)
15 + -7x = 8 + (7 + -7x)

Combine like terms: 8 + 7 = 15
15 + -7x = 15 + -7x

Add '-15' to each side of the equation.
15 + -15 + -7x = 15 + -15 + -7x

Combine like terms: 15 + -15 = 0
0 + -7x = 15 + -15 + -7x
-7x = 15 + -15 + -7x

Combine like terms: 15 + -15 = 0
-7x = 0 + -7x
-7x = -7x

Add '7x' to each side of the equation.
-7x + 7x = -7x + 7x

Combine like terms: -7x + 7x = 0
0 = -7x + 7x

Combine like terms: -7x + 7x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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