-1+3x+7x=-81

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Solution for -1+3x+7x=-81 equation: 


Simplifying
-1 + 3x + 7x = -81

Combine like terms: 3x + 7x = 10x
-1 + 10x = -81

Solving
-1 + 10x = -81

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 10x = -81 + 1

Combine like terms: -1 + 1 = 0
0 + 10x = -81 + 1
10x = -81 + 1

Combine like terms: -81 + 1 = -80
10x = -80

Divide each side by '10'.
x = -8

Simplifying
x = -8

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