28-3y=7y-12

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


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

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

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

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

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

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

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

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

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

Simplifying
y = 4

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