12+7y=3y

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Solution for 12+7y=3y equation:


Simplifying
12 + 7y = 3y

Solving
12 + 7y = 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
12 + 7y + -3y = 3y + -3y

Combine like terms: 7y + -3y = 4y
12 + 4y = 3y + -3y

Combine like terms: 3y + -3y = 0
12 + 4y = 0

Add '-12' to each side of the equation.
12 + -12 + 4y = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 4y = 0 + -12
4y = 0 + -12

Combine like terms: 0 + -12 = -12
4y = -12

Divide each side by '4'.
y = -3

Simplifying
y = -3

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