12=7y-2y-3

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Solution for 12=7y-2y-3 equation:


Simplifying
12 = 7y + -2y + -3

Reorder the terms:
12 = -3 + 7y + -2y

Combine like terms: 7y + -2y = 5y
12 = -3 + 5y

Solving
12 = -3 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
12 + -5y = -3 + 5y + -5y

Combine like terms: 5y + -5y = 0
12 + -5y = -3 + 0
12 + -5y = -3

Add '-12' to each side of the equation.
12 + -12 + -5y = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -5y = -3 + -12
-5y = -3 + -12

Combine like terms: -3 + -12 = -15
-5y = -15

Divide each side by '-5'.
y = 3

Simplifying
y = 3

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