91-2x=4x+13

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Solution for 91-2x=4x+13 equation:


Simplifying
91 + -2x = 4x + 13

Reorder the terms:
91 + -2x = 13 + 4x

Solving
91 + -2x = 13 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
91 + -2x + -4x = 13 + 4x + -4x

Combine like terms: -2x + -4x = -6x
91 + -6x = 13 + 4x + -4x

Combine like terms: 4x + -4x = 0
91 + -6x = 13 + 0
91 + -6x = 13

Add '-91' to each side of the equation.
91 + -91 + -6x = 13 + -91

Combine like terms: 91 + -91 = 0
0 + -6x = 13 + -91
-6x = 13 + -91

Combine like terms: 13 + -91 = -78
-6x = -78

Divide each side by '-6'.
x = 13

Simplifying
x = 13

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