x-20+y=90

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Solution for x-20+y=90 equation:


Simplifying
x + -20 + y = 90

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

Solving
-20 + x + y = 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 + y = 90 + 20

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

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

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

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

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

Simplifying
x = 110 + -1y

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