91+17x-4x=78

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Solution for 91+17x-4x=78 equation:


Simplifying
91 + 17x + -4x = 78

Combine like terms: 17x + -4x = 13x
91 + 13x = 78

Solving
91 + 13x = 78

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 + 13x = 78 + -91

Combine like terms: 91 + -91 = 0
0 + 13x = 78 + -91
13x = 78 + -91

Combine like terms: 78 + -91 = -13
13x = -13

Divide each side by '13'.
x = -1

Simplifying
x = -1

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