X-9+x-11=90

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Solution for X-9+x-11=90 equation:


Simplifying
X + -9 + x + -11 = 90

Reorder the terms:
-9 + -11 + X + x = 90

Combine like terms: -9 + -11 = -20
-20 + X + x = 90

Solving
-20 + X + x = 90

Solving for variable 'X'.

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

Add '20' to each side of the equation.
-20 + X + 20 + x = 90 + 20

Reorder the terms:
-20 + 20 + X + x = 90 + 20

Combine like terms: -20 + 20 = 0
0 + X + x = 90 + 20
X + x = 90 + 20

Combine like terms: 90 + 20 = 110
X + x = 110

Add '-1x' to each side of the equation.
X + x + -1x = 110 + -1x

Combine like terms: x + -1x = 0
X + 0 = 110 + -1x
X = 110 + -1x

Simplifying
X = 110 + -1x

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