77-4x-12=85

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Solution for 77-4x-12=85 equation:


Simplifying
77 + -4x + -12 = 85

Reorder the terms:
77 + -12 + -4x = 85

Combine like terms: 77 + -12 = 65
65 + -4x = 85

Solving
65 + -4x = 85

Solving for variable 'x'.

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

Add '-65' to each side of the equation.
65 + -65 + -4x = 85 + -65

Combine like terms: 65 + -65 = 0
0 + -4x = 85 + -65
-4x = 85 + -65

Combine like terms: 85 + -65 = 20
-4x = 20

Divide each side by '-4'.
x = -5

Simplifying
x = -5

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