3x-12-x=15-4x-3

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Solution for 3x-12-x=15-4x-3 equation:


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

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

Combine like terms: 3x + -1x = 2x
-12 + 2x = 15 + -4x + -3

Reorder the terms:
-12 + 2x = 15 + -3 + -4x

Combine like terms: 15 + -3 = 12
-12 + 2x = 12 + -4x

Solving
-12 + 2x = 12 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-12 + 2x + 4x = 12 + -4x + 4x

Combine like terms: 2x + 4x = 6x
-12 + 6x = 12 + -4x + 4x

Combine like terms: -4x + 4x = 0
-12 + 6x = 12 + 0
-12 + 6x = 12

Add '12' to each side of the equation.
-12 + 12 + 6x = 12 + 12

Combine like terms: -12 + 12 = 0
0 + 6x = 12 + 12
6x = 12 + 12

Combine like terms: 12 + 12 = 24
6x = 24

Divide each side by '6'.
x = 4

Simplifying
x = 4

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