7y+2y-2=16

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Solution for 7y+2y-2=16 equation: 


Simplifying
7y + 2y + -2 = 16

Reorder the terms:
-2 + 7y + 2y = 16

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

Solving
-2 + 9y = 16

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + 9y = 16 + 2

Combine like terms: -2 + 2 = 0
0 + 9y = 16 + 2
9y = 16 + 2

Combine like terms: 16 + 2 = 18
9y = 18

Divide each side by '9'.
y = 2

Simplifying
y = 2

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