-7x-4=-81

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Solution for -7x-4=-81 equation: 


Simplifying
-7x + -4 = -81

Reorder the terms:
-4 + -7x = -81

Solving
-4 + -7x = -81

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -7x = -81 + 4

Combine like terms: -4 + 4 = 0
0 + -7x = -81 + 4
-7x = -81 + 4

Combine like terms: -81 + 4 = -77
-7x = -77

Divide each side by '-7'.
x = 11

Simplifying
x = 11

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