12-3y=7y-28

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Solution for 12-3y=7y-28 equation:


Simplifying
12 + -3y = 7y + -28

Reorder the terms:
12 + -3y = -28 + 7y

Solving
12 + -3y = -28 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
12 + -3y + -7y = -28 + 7y + -7y

Combine like terms: -3y + -7y = -10y
12 + -10y = -28 + 7y + -7y

Combine like terms: 7y + -7y = 0
12 + -10y = -28 + 0
12 + -10y = -28

Add '-12' to each side of the equation.
12 + -12 + -10y = -28 + -12

Combine like terms: 12 + -12 = 0
0 + -10y = -28 + -12
-10y = -28 + -12

Combine like terms: -28 + -12 = -40
-10y = -40

Divide each side by '-10'.
y = 4

Simplifying
y = 4

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