(x-y)-90=0

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Solution for (x-y)-90=0 equation:


Simplifying
(x + -1y) + -90 = 0

Remove parenthesis around (x + -1y)
x + -1y + -90 = 0

Reorder the terms:
-90 + x + -1y = 0

Solving
-90 + x + -1y = 0

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + x + 90 + -1y = 0 + 90

Reorder the terms:
-90 + 90 + x + -1y = 0 + 90

Combine like terms: -90 + 90 = 0
0 + x + -1y = 0 + 90
x + -1y = 0 + 90

Combine like terms: 0 + 90 = 90
x + -1y = 90

Add 'y' to each side of the equation.
x + -1y + y = 90 + y

Combine like terms: -1y + y = 0
x + 0 = 90 + y
x = 90 + y

Simplifying
x = 90 + y

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