7x+5x-y=x-y

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Solution for 7x+5x-y=x-y equation:


Simplifying
7x + 5x + -1y = x + -1y

Combine like terms: 7x + 5x = 12x
12x + -1y = x + -1y

Add 'y' to each side of the equation.
12x + -1y + y = x + -1y + y

Combine like terms: -1y + y = 0
12x + 0 = x + -1y + y
12x = x + -1y + y

Combine like terms: -1y + y = 0
12x = x + 0
12x = x

Solving
12x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
12x + -1x = x + -1x

Combine like terms: 12x + -1x = 11x
11x = x + -1x

Combine like terms: x + -1x = 0
11x = 0

Divide each side by '11'.
x = 0

Simplifying
x = 0

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