4x-12-x=3(x+1)-15

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Solution for 4x-12-x=3(x+1)-15 equation:


Simplifying
4x + -12 + -1x = 3(x + 1) + -15

Reorder the terms:
-12 + 4x + -1x = 3(x + 1) + -15

Combine like terms: 4x + -1x = 3x
-12 + 3x = 3(x + 1) + -15

Reorder the terms:
-12 + 3x = 3(1 + x) + -15
-12 + 3x = (1 * 3 + x * 3) + -15
-12 + 3x = (3 + 3x) + -15

Reorder the terms:
-12 + 3x = 3 + -15 + 3x

Combine like terms: 3 + -15 = -12
-12 + 3x = -12 + 3x

Add '12' to each side of the equation.
-12 + 12 + 3x = -12 + 12 + 3x

Combine like terms: -12 + 12 = 0
0 + 3x = -12 + 12 + 3x
3x = -12 + 12 + 3x

Combine like terms: -12 + 12 = 0
3x = 0 + 3x
3x = 3x

Add '-3x' to each side of the equation.
3x + -3x = 3x + -3x

Combine like terms: 3x + -3x = 0
0 = 3x + -3x

Combine like terms: 3x + -3x = 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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