-3-7x=81

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Solution for -3-7x=81 equation: 


Simplifying
-3 + -7x = 81

Solving
-3 + -7x = 81

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + -7x = 81 + 3

Combine like terms: -3 + 3 = 0
0 + -7x = 81 + 3
-7x = 81 + 3

Combine like terms: 81 + 3 = 84
-7x = 84

Divide each side by '-7'.
x = -12

Simplifying
x = -12

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