15x+20=12x-4

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Solution for 15x+20=12x-4 equation:


Simplifying
15x + 20 = 12x + -4

Reorder the terms:
20 + 15x = 12x + -4

Reorder the terms:
20 + 15x = -4 + 12x

Solving
20 + 15x = -4 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
20 + 15x + -12x = -4 + 12x + -12x

Combine like terms: 15x + -12x = 3x
20 + 3x = -4 + 12x + -12x

Combine like terms: 12x + -12x = 0
20 + 3x = -4 + 0
20 + 3x = -4

Add '-20' to each side of the equation.
20 + -20 + 3x = -4 + -20

Combine like terms: 20 + -20 = 0
0 + 3x = -4 + -20
3x = -4 + -20

Combine like terms: -4 + -20 = -24
3x = -24

Divide each side by '3'.
x = -8

Simplifying
x = -8

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