7y-2+2y=79

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Solution for 7y-2+2y=79 equation: 


Simplifying
7y + -2 + 2y = 79

Reorder the terms:
-2 + 7y + 2y = 79

Combine like terms: 7y + 2y = 9y
-2 + 9y = 79

Solving
-2 + 9y = 79

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 = 79 + 2

Combine like terms: -2 + 2 = 0
0 + 9y = 79 + 2
9y = 79 + 2

Combine like terms: 79 + 2 = 81
9y = 81

Divide each side by '9'.
y = 9

Simplifying
y = 9

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