x+y-5=20

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Solution for x+y-5=20 equation:


Simplifying
x + y + -5 = 20

Reorder the terms:
-5 + x + y = 20

Solving
-5 + x + y = 20

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + x + 5 + y = 20 + 5

Reorder the terms:
-5 + 5 + x + y = 20 + 5

Combine like terms: -5 + 5 = 0
0 + x + y = 20 + 5
x + y = 20 + 5

Combine like terms: 20 + 5 = 25
x + y = 25

Add '-1y' to each side of the equation.
x + y + -1y = 25 + -1y

Combine like terms: y + -1y = 0
x + 0 = 25 + -1y
x = 25 + -1y

Simplifying
x = 25 + -1y

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