(5x-y)+(5x+y)=80

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Solution for (5x-y)+(5x+y)=80 equation:


Simplifying
(5x + -1y) + (5x + y) = 80

Remove parenthesis around (5x + -1y)
5x + -1y + (5x + y) = 80

Remove parenthesis around (5x + y)
5x + -1y + 5x + y = 80

Reorder the terms:
5x + 5x + -1y + y = 80

Combine like terms: 5x + 5x = 10x
10x + -1y + y = 80

Combine like terms: -1y + y = 0
10x + 0 = 80
10x = 80

Solving
10x = 80

Solving for variable 'x'.

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

Divide each side by '10'.
x = 8

Simplifying
x = 8

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