y+3=-9-y

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Solution for y+3=-9-y equation:


Simplifying
y + 3 = -9 + -1y

Reorder the terms:
3 + y = -9 + -1y

Solving
3 + y = -9 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
3 + y + y = -9 + -1y + y

Combine like terms: y + y = 2y
3 + 2y = -9 + -1y + y

Combine like terms: -1y + y = 0
3 + 2y = -9 + 0
3 + 2y = -9

Add '-3' to each side of the equation.
3 + -3 + 2y = -9 + -3

Combine like terms: 3 + -3 = 0
0 + 2y = -9 + -3
2y = -9 + -3

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

Divide each side by '2'.
y = -6

Simplifying
y = -6

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