4-7x=81

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Solution for 4-7x=81 equation: 


Simplifying
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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