91-x=77

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Solution for 91-x=77 equation: 


Simplifying
91 + -1x = 77

Solving
91 + -1x = 77

Solving for variable 'x'.

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

Add '-91' to each side of the equation.
91 + -91 + -1x = 77 + -91

Combine like terms: 91 + -91 = 0
0 + -1x = 77 + -91
-1x = 77 + -91

Combine like terms: 77 + -91 = -14
-1x = -14

Divide each side by '-1'.
x = 14

Simplifying
x = 14

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