15-2y+6=12y+30-5y

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Solution for 15-2y+6=12y+30-5y equation:


Simplifying
15 + -2y + 6 = 12y + 30 + -5y

Reorder the terms:
15 + 6 + -2y = 12y + 30 + -5y

Combine like terms: 15 + 6 = 21
21 + -2y = 12y + 30 + -5y

Reorder the terms:
21 + -2y = 30 + 12y + -5y

Combine like terms: 12y + -5y = 7y
21 + -2y = 30 + 7y

Solving
21 + -2y = 30 + 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.
21 + -2y + -7y = 30 + 7y + -7y

Combine like terms: -2y + -7y = -9y
21 + -9y = 30 + 7y + -7y

Combine like terms: 7y + -7y = 0
21 + -9y = 30 + 0
21 + -9y = 30

Add '-21' to each side of the equation.
21 + -21 + -9y = 30 + -21

Combine like terms: 21 + -21 = 0
0 + -9y = 30 + -21
-9y = 30 + -21

Combine like terms: 30 + -21 = 9
-9y = 9

Divide each side by '-9'.
y = -1

Simplifying
y = -1

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