X+(2x-9)=90

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Solution for X+(2x-9)=90 equation:


Simplifying
X + (2x + -9) = 90

Reorder the terms:
X + (-9 + 2x) = 90

Remove parenthesis around (-9 + 2x)
X + -9 + 2x = 90

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

Solving
-9 + X + 2x = 90

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + X + 9 + 2x = 90 + 9

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

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

Combine like terms: 90 + 9 = 99
X + 2x = 99

Add '-2x' to each side of the equation.
X + 2x + -2x = 99 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 99 + -2x
X = 99 + -2x

Simplifying
X = 99 + -2x

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