12-7y=y-18

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Solution for 12-7y=y-18 equation:


Simplifying
12 + -7y = y + -18

Reorder the terms:
12 + -7y = -18 + y

Solving
12 + -7y = -18 + 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 + -7y + -1y = -18 + y + -1y

Combine like terms: -7y + -1y = -8y
12 + -8y = -18 + y + -1y

Combine like terms: y + -1y = 0
12 + -8y = -18 + 0
12 + -8y = -18

Add '-12' to each side of the equation.
12 + -12 + -8y = -18 + -12

Combine like terms: 12 + -12 = 0
0 + -8y = -18 + -12
-8y = -18 + -12

Combine like terms: -18 + -12 = -30
-8y = -30

Divide each side by '-8'.
y = 3.75

Simplifying
y = 3.75

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