-2y-9=7y+9

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


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

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

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

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

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

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

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

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

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

Divide each side by '-9'.
y = -2

Simplifying
y = -2

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