-9=9(y+7)

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


Simplifying
-9 = 9(y + 7)

Reorder the terms:
-9 = 9(7 + y)
-9 = (7 * 9 + y * 9)
-9 = (63 + 9y)

Solving
-9 = 63 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
-9 + -9y = 63 + 9y + -9y

Combine like terms: 9y + -9y = 0
-9 + -9y = 63 + 0
-9 + -9y = 63

Add '9' to each side of the equation.
-9 + 9 + -9y = 63 + 9

Combine like terms: -9 + 9 = 0
0 + -9y = 63 + 9
-9y = 63 + 9

Combine like terms: 63 + 9 = 72
-9y = 72

Divide each side by '-9'.
y = -8

Simplifying
y = -8

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