-12x+15=3x-30-15

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Solution for -12x+15=3x-30-15 equation:


Simplifying
-12x + 15 = 3x + -30 + -15

Reorder the terms:
15 + -12x = 3x + -30 + -15

Reorder the terms:
15 + -12x = -30 + -15 + 3x

Combine like terms: -30 + -15 = -45
15 + -12x = -45 + 3x

Solving
15 + -12x = -45 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
15 + -12x + -3x = -45 + 3x + -3x

Combine like terms: -12x + -3x = -15x
15 + -15x = -45 + 3x + -3x

Combine like terms: 3x + -3x = 0
15 + -15x = -45 + 0
15 + -15x = -45

Add '-15' to each side of the equation.
15 + -15 + -15x = -45 + -15

Combine like terms: 15 + -15 = 0
0 + -15x = -45 + -15
-15x = -45 + -15

Combine like terms: -45 + -15 = -60
-15x = -60

Divide each side by '-15'.
x = 4

Simplifying
x = 4

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