-12x-42=-15x+51

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Solution for -12x-42=-15x+51 equation:


Simplifying
-12x + -42 = -15x + 51

Reorder the terms:
-42 + -12x = -15x + 51

Reorder the terms:
-42 + -12x = 51 + -15x

Solving
-42 + -12x = 51 + -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.
-42 + -12x + 15x = 51 + -15x + 15x

Combine like terms: -12x + 15x = 3x
-42 + 3x = 51 + -15x + 15x

Combine like terms: -15x + 15x = 0
-42 + 3x = 51 + 0
-42 + 3x = 51

Add '42' to each side of the equation.
-42 + 42 + 3x = 51 + 42

Combine like terms: -42 + 42 = 0
0 + 3x = 51 + 42
3x = 51 + 42

Combine like terms: 51 + 42 = 93
3x = 93

Divide each side by '3'.
x = 31

Simplifying
x = 31

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