81=11-7x

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Solution for 81=11-7x equation:


Simplifying
81 = 11 + -7x

Solving
81 = 11 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
81 + 7x = 11 + -7x + 7x

Combine like terms: -7x + 7x = 0
81 + 7x = 11 + 0
81 + 7x = 11

Add '-81' to each side of the equation.
81 + -81 + 7x = 11 + -81

Combine like terms: 81 + -81 = 0
0 + 7x = 11 + -81
7x = 11 + -81

Combine like terms: 11 + -81 = -70
7x = -70

Divide each side by '7'.
x = -10

Simplifying
x = -10

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