5(1-x)+2(2x+5)=15-x

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Solution for 5(1-x)+2(2x+5)=15-x equation: 


Simplifying
5(1 + -1x) + 2(2x + 5) = 15 + -1x
(1 * 5 + -1x * 5) + 2(2x + 5) = 15 + -1x
(5 + -5x) + 2(2x + 5) = 15 + -1x

Reorder the terms:
5 + -5x + 2(5 + 2x) = 15 + -1x
5 + -5x + (5 * 2 + 2x * 2) = 15 + -1x
5 + -5x + (10 + 4x) = 15 + -1x

Reorder the terms:
5 + 10 + -5x + 4x = 15 + -1x

Combine like terms: 5 + 10 = 15
15 + -5x + 4x = 15 + -1x

Combine like terms: -5x + 4x = -1x
15 + -1x = 15 + -1x

Add '-15' to each side of the equation.
15 + -15 + -1x = 15 + -15 + -1x

Combine like terms: 15 + -15 = 0
0 + -1x = 15 + -15 + -1x
-1x = 15 + -15 + -1x

Combine like terms: 15 + -15 = 0
-1x = 0 + -1x
-1x = -1x

Add 'x' to each side of the equation.
-1x + x = -1x + x

Combine like terms: -1x + x = 0
0 = -1x + x

Combine like terms: -1x + x = 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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