4x+9+2x-9=90

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


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

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

Combine like terms: 9 + -9 = 0
0 + 4x + 2x = 90
4x + 2x = 90

Combine like terms: 4x + 2x = 6x
6x = 90

Solving
6x = 90

Solving for variable 'x'.

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

Divide each side by '6'.
x = 15

Simplifying
x = 15

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