9x-18+2x+20=90

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Solution for 9x-18+2x+20=90 equation:


Simplifying
9x + -18 + 2x + 20 = 90

Reorder the terms:
-18 + 20 + 9x + 2x = 90

Combine like terms: -18 + 20 = 2
2 + 9x + 2x = 90

Combine like terms: 9x + 2x = 11x
2 + 11x = 90

Solving
2 + 11x = 90

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 11x = 90 + -2

Combine like terms: 2 + -2 = 0
0 + 11x = 90 + -2
11x = 90 + -2

Combine like terms: 90 + -2 = 88
11x = 88

Divide each side by '11'.
x = 8

Simplifying
x = 8

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