-2y+(9)=-21

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Solution for -2y+(9)=-21 equation:


Simplifying
-2y + (9) = -21
-2y + 9 = -21

Reorder the terms:
9 + -2y = -21

Solving
9 + -2y = -21

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + -2y = -21 + -9

Combine like terms: 9 + -9 = 0
0 + -2y = -21 + -9
-2y = -21 + -9

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

Divide each side by '-2'.
y = 15

Simplifying
y = 15

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