7y-5y=12+18

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Solution for 7y-5y=12+18 equation: 


Simplifying
7y + -5y = 12 + 18

Combine like terms: 7y + -5y = 2y
2y = 12 + 18

Combine like terms: 12 + 18 = 30
2y = 30

Solving
2y = 30

Solving for variable 'y'.

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

Divide each side by '2'.
y = 15

Simplifying
y = 15

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