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

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


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

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

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

Remove parenthesis around (1 + x)
-12 + 3x = 1 + x + -15

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

Combine like terms: 1 + -15 = -14
-12 + 3x = -14 + x

Solving
-12 + 3x = -14 + x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
-12 + 3x + -1x = -14 + x + -1x

Combine like terms: 3x + -1x = 2x
-12 + 2x = -14 + x + -1x

Combine like terms: x + -1x = 0
-12 + 2x = -14 + 0
-12 + 2x = -14

Add '12' to each side of the equation.
-12 + 12 + 2x = -14 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = -14 + 12
2x = -14 + 12

Combine like terms: -14 + 12 = -2
2x = -2

Divide each side by '2'.
x = -1

Simplifying
x = -1

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