91=13+2x+x

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Solution for 91=13+2x+x equation:


Simplifying
91 = 13 + 2x + x

Combine like terms: 2x + x = 3x
91 = 13 + 3x

Solving
91 = 13 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
91 + -3x = 13 + 3x + -3x

Combine like terms: 3x + -3x = 0
91 + -3x = 13 + 0
91 + -3x = 13

Add '-91' to each side of the equation.
91 + -91 + -3x = 13 + -91

Combine like terms: 91 + -91 = 0
0 + -3x = 13 + -91
-3x = 13 + -91

Combine like terms: 13 + -91 = -78
-3x = -78

Divide each side by '-3'.
x = 26

Simplifying
x = 26

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