-y+12=y+7

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Solution for -y+12=y+7 equation:


Simplifying
-1y + 12 = y + 7

Reorder the terms:
12 + -1y = y + 7

Reorder the terms:
12 + -1y = 7 + y

Solving
12 + -1y = 7 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
12 + -1y + -1y = 7 + y + -1y

Combine like terms: -1y + -1y = -2y
12 + -2y = 7 + y + -1y

Combine like terms: y + -1y = 0
12 + -2y = 7 + 0
12 + -2y = 7

Add '-12' to each side of the equation.
12 + -12 + -2y = 7 + -12

Combine like terms: 12 + -12 = 0
0 + -2y = 7 + -12
-2y = 7 + -12

Combine like terms: 7 + -12 = -5
-2y = -5

Divide each side by '-2'.
y = 2.5

Simplifying
y = 2.5

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