91-3x=2x+21

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Solution for 91-3x=2x+21 equation:


Simplifying
91 + -3x = 2x + 21

Reorder the terms:
91 + -3x = 21 + 2x

Solving
91 + -3x = 21 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
91 + -3x + -2x = 21 + 2x + -2x

Combine like terms: -3x + -2x = -5x
91 + -5x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
91 + -5x = 21 + 0
91 + -5x = 21

Add '-91' to each side of the equation.
91 + -91 + -5x = 21 + -91

Combine like terms: 91 + -91 = 0
0 + -5x = 21 + -91
-5x = 21 + -91

Combine like terms: 21 + -91 = -70
-5x = -70

Divide each side by '-5'.
x = 14

Simplifying
x = 14

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