-2(y+9)=7y-9

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Solution for -2(y+9)=7y-9 equation:


Simplifying
-2(y + 9) = 7y + -9

Reorder the terms:
-2(9 + y) = 7y + -9
(9 * -2 + y * -2) = 7y + -9
(-18 + -2y) = 7y + -9

Reorder the terms:
-18 + -2y = -9 + 7y

Solving
-18 + -2y = -9 + 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.
-18 + -2y + -7y = -9 + 7y + -7y

Combine like terms: -2y + -7y = -9y
-18 + -9y = -9 + 7y + -7y

Combine like terms: 7y + -7y = 0
-18 + -9y = -9 + 0
-18 + -9y = -9

Add '18' to each side of the equation.
-18 + 18 + -9y = -9 + 18

Combine like terms: -18 + 18 = 0
0 + -9y = -9 + 18
-9y = -9 + 18

Combine like terms: -9 + 18 = 9
-9y = 9

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

Simplifying
y = -1

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