7y-9=5y+7

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Solution for 7y-9=5y+7 equation:


Simplifying
7y + -9 = 5y + 7

Reorder the terms:
-9 + 7y = 5y + 7

Reorder the terms:
-9 + 7y = 7 + 5y

Solving
-9 + 7y = 7 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-9 + 7y + -5y = 7 + 5y + -5y

Combine like terms: 7y + -5y = 2y
-9 + 2y = 7 + 5y + -5y

Combine like terms: 5y + -5y = 0
-9 + 2y = 7 + 0
-9 + 2y = 7

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

Combine like terms: -9 + 9 = 0
0 + 2y = 7 + 9
2y = 7 + 9

Combine like terms: 7 + 9 = 16
2y = 16

Divide each side by '2'.
y = 8

Simplifying
y = 8

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