7-9x-4=-57+3x-12

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Solution for 7-9x-4=-57+3x-12 equation:


Simplifying
7 + -9x + -4 = -57 + 3x + -12

Reorder the terms:
7 + -4 + -9x = -57 + 3x + -12

Combine like terms: 7 + -4 = 3
3 + -9x = -57 + 3x + -12

Reorder the terms:
3 + -9x = -57 + -12 + 3x

Combine like terms: -57 + -12 = -69
3 + -9x = -69 + 3x

Solving
3 + -9x = -69 + 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.
3 + -9x + -3x = -69 + 3x + -3x

Combine like terms: -9x + -3x = -12x
3 + -12x = -69 + 3x + -3x

Combine like terms: 3x + -3x = 0
3 + -12x = -69 + 0
3 + -12x = -69

Add '-3' to each side of the equation.
3 + -3 + -12x = -69 + -3

Combine like terms: 3 + -3 = 0
0 + -12x = -69 + -3
-12x = -69 + -3

Combine like terms: -69 + -3 = -72
-12x = -72

Divide each side by '-12'.
x = 6

Simplifying
x = 6

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