15-6y+7y=18

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Solution for 15-6y+7y=18 equation: 


Simplifying
15 + -6y + 7y = 18

Combine like terms: -6y + 7y = 1y
15 + 1y = 18

Solving
15 + 1y = 18

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + 1y = 18 + -15

Combine like terms: 15 + -15 = 0
0 + 1y = 18 + -15
1y = 18 + -15

Combine like terms: 18 + -15 = 3
1y = 3

Divide each side by '1'.
y = 3

Simplifying
y = 3

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