25+2y-9=9y-12-3y

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Solution for 25+2y-9=9y-12-3y equation: 


Simplifying
25 + 2y + -9 = 9y + -12 + -3y

Reorder the terms:
25 + -9 + 2y = 9y + -12 + -3y

Combine like terms: 25 + -9 = 16
16 + 2y = 9y + -12 + -3y

Reorder the terms:
16 + 2y = -12 + 9y + -3y

Combine like terms: 9y + -3y = 6y
16 + 2y = -12 + 6y

Solving
16 + 2y = -12 + 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.
16 + 2y + -6y = -12 + 6y + -6y

Combine like terms: 2y + -6y = -4y
16 + -4y = -12 + 6y + -6y

Combine like terms: 6y + -6y = 0
16 + -4y = -12 + 0
16 + -4y = -12

Add '-16' to each side of the equation.
16 + -16 + -4y = -12 + -16

Combine like terms: 16 + -16 = 0
0 + -4y = -12 + -16
-4y = -12 + -16

Combine like terms: -12 + -16 = -28
-4y = -28

Divide each side by '-4'.
y = 7

Simplifying
y = 7

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