12=9y+11-3y-7

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Solution for 12=9y+11-3y-7 equation:


Simplifying
12 = 9y + 11 + -3y + -7

Reorder the terms:
12 = 11 + -7 + 9y + -3y

Combine like terms: 11 + -7 = 4
12 = 4 + 9y + -3y

Combine like terms: 9y + -3y = 6y
12 = 4 + 6y

Solving
12 = 4 + 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.
12 + -6y = 4 + 6y + -6y

Combine like terms: 6y + -6y = 0
12 + -6y = 4 + 0
12 + -6y = 4

Add '-12' to each side of the equation.
12 + -12 + -6y = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -6y = 4 + -12
-6y = 4 + -12

Combine like terms: 4 + -12 = -8
-6y = -8

Divide each side by '-6'.
y = 1.333333333

Simplifying
y = 1.333333333

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