7-7x-4=57+5x-12

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Solution for 7-7x-4=57+5x-12 equation:


Simplifying
7 + -7x + -4 = 57 + 5x + -12

Reorder the terms:
7 + -4 + -7x = 57 + 5x + -12

Combine like terms: 7 + -4 = 3
3 + -7x = 57 + 5x + -12

Reorder the terms:
3 + -7x = 57 + -12 + 5x

Combine like terms: 57 + -12 = 45
3 + -7x = 45 + 5x

Solving
3 + -7x = 45 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
3 + -7x + -5x = 45 + 5x + -5x

Combine like terms: -7x + -5x = -12x
3 + -12x = 45 + 5x + -5x

Combine like terms: 5x + -5x = 0
3 + -12x = 45 + 0
3 + -12x = 45

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

Combine like terms: 3 + -3 = 0
0 + -12x = 45 + -3
-12x = 45 + -3

Combine like terms: 45 + -3 = 42
-12x = 42

Divide each side by '-12'.
x = -3.5

Simplifying
x = -3.5

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