y=x+5-x+7

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


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

Reorder the terms:
y = 5 + 7 + x + -1x

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

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

Solving
y = 12

Solving for variable 'y'.

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

Simplifying
y = 12

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