12x+8=15x-4

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Solution for 12x+8=15x-4 equation:


Simplifying
12x + 8 = 15x + -4

Reorder the terms:
8 + 12x = 15x + -4

Reorder the terms:
8 + 12x = -4 + 15x

Solving
8 + 12x = -4 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
8 + 12x + -15x = -4 + 15x + -15x

Combine like terms: 12x + -15x = -3x
8 + -3x = -4 + 15x + -15x

Combine like terms: 15x + -15x = 0
8 + -3x = -4 + 0
8 + -3x = -4

Add '-8' to each side of the equation.
8 + -8 + -3x = -4 + -8

Combine like terms: 8 + -8 = 0
0 + -3x = -4 + -8
-3x = -4 + -8

Combine like terms: -4 + -8 = -12
-3x = -12

Divide each side by '-3'.
x = 4

Simplifying
x = 4

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