y*2-12=y+7

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Solution for y*2-12=y+7 equation:


Simplifying
y * 2 + -12 = y + 7

Reorder the terms for easier multiplication:
2y + -12 = y + 7

Reorder the terms:
-12 + 2y = y + 7

Reorder the terms:
-12 + 2y = 7 + y

Solving
-12 + 2y = 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 + 2y + -1y = 7 + y + -1y

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

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

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

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

Combine like terms: 7 + 12 = 19
1y = 19

Divide each side by '1'.
y = 19

Simplifying
y = 19

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