7y+9=-(y-3)

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Solution for 7y+9=-(y-3) equation:


Simplifying
7y + 9 = -1(y + -3)

Reorder the terms:
9 + 7y = -1(y + -3)

Reorder the terms:
9 + 7y = -1(-3 + y)
9 + 7y = (-3 * -1 + y * -1)
9 + 7y = (3 + -1y)

Solving
9 + 7y = 3 + -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.
9 + 7y + y = 3 + -1y + y

Combine like terms: 7y + y = 8y
9 + 8y = 3 + -1y + y

Combine like terms: -1y + y = 0
9 + 8y = 3 + 0
9 + 8y = 3

Add '-9' to each side of the equation.
9 + -9 + 8y = 3 + -9

Combine like terms: 9 + -9 = 0
0 + 8y = 3 + -9
8y = 3 + -9

Combine like terms: 3 + -9 = -6
8y = -6

Divide each side by '8'.
y = -0.75

Simplifying
y = -0.75

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