12+4y-7=6y-9

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Solution for 12+4y-7=6y-9 equation:


Simplifying
12 + 4y + -7 = 6y + -9

Reorder the terms:
12 + -7 + 4y = 6y + -9

Combine like terms: 12 + -7 = 5
5 + 4y = 6y + -9

Reorder the terms:
5 + 4y = -9 + 6y

Solving
5 + 4y = -9 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
5 + 4y + -6y = -9 + 6y + -6y

Combine like terms: 4y + -6y = -2y
5 + -2y = -9 + 6y + -6y

Combine like terms: 6y + -6y = 0
5 + -2y = -9 + 0
5 + -2y = -9

Add '-5' to each side of the equation.
5 + -5 + -2y = -9 + -5

Combine like terms: 5 + -5 = 0
0 + -2y = -9 + -5
-2y = -9 + -5

Combine like terms: -9 + -5 = -14
-2y = -14

Divide each side by '-2'.
y = 7

Simplifying
y = 7

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