90=3x+4+2x-9

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Solution for 90=3x+4+2x-9 equation:


Simplifying
90 = 3x + 4 + 2x + -9

Reorder the terms:
90 = 4 + -9 + 3x + 2x

Combine like terms: 4 + -9 = -5
90 = -5 + 3x + 2x

Combine like terms: 3x + 2x = 5x
90 = -5 + 5x

Solving
90 = -5 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
90 + -5x = -5 + 5x + -5x

Combine like terms: 5x + -5x = 0
90 + -5x = -5 + 0
90 + -5x = -5

Add '-90' to each side of the equation.
90 + -90 + -5x = -5 + -90

Combine like terms: 90 + -90 = 0
0 + -5x = -5 + -90
-5x = -5 + -90

Combine like terms: -5 + -90 = -95
-5x = -95

Divide each side by '-5'.
x = 19

Simplifying
x = 19

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