2y-9=8y+7

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Solution for 2y-9=8y+7 equation: 


Simplifying
2y + -9 = 8y + 7

Reorder the terms:
-9 + 2y = 8y + 7

Reorder the terms:
-9 + 2y = 7 + 8y

Solving
-9 + 2y = 7 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-9 + 2y + -8y = 7 + 8y + -8y

Combine like terms: 2y + -8y = -6y
-9 + -6y = 7 + 8y + -8y

Combine like terms: 8y + -8y = 0
-9 + -6y = 7 + 0
-9 + -6y = 7

Add '9' to each side of the equation.
-9 + 9 + -6y = 7 + 9

Combine like terms: -9 + 9 = 0
0 + -6y = 7 + 9
-6y = 7 + 9

Combine like terms: 7 + 9 = 16
-6y = 16

Divide each side by '-6'.
y = -2.666666667

Simplifying
y = -2.666666667

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