x+y-8=a

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Solution for x+y-8=a equation:


Simplifying
x + y + -8 = a

Reorder the terms:
-8 + x + y = a

Solving
-8 + x + y = a

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + x + 8 + y = 8 + a

Reorder the terms:
-8 + 8 + x + y = 8 + a

Combine like terms: -8 + 8 = 0
0 + x + y = 8 + a
x + y = 8 + a

Add '-1y' to each side of the equation.
x + y + -1y = 8 + a + -1y

Combine like terms: y + -1y = 0
x + 0 = 8 + a + -1y
x = 8 + a + -1y

Simplifying
x = 8 + a + -1y

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