2x+x-3=3(x+4)-15

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Solution for 2x+x-3=3(x+4)-15 equation: 


Simplifying
2x + x + -3 = 3(x + 4) + -15

Reorder the terms:
-3 + 2x + x = 3(x + 4) + -15

Combine like terms: 2x + x = 3x
-3 + 3x = 3(x + 4) + -15

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

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

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

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

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

Combine like terms: -3 + 3 = 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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