2y-7Y+9Y=18

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Solution for 2y-7Y+9Y=18 equation: 


Simplifying
2y + -7Y + 9Y = 18

Reorder the terms:
-7Y + 9Y + 2y = 18

Combine like terms: -7Y + 9Y = 2Y
2Y + 2y = 18

Solving
2Y + 2y = 18

Solving for variable 'Y'.

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

Add '-2y' to each side of the equation.
2Y + 2y + -2y = 18 + -2y

Combine like terms: 2y + -2y = 0
2Y + 0 = 18 + -2y
2Y = 18 + -2y

Divide each side by '2'.
Y = 9 + -1y

Simplifying
Y = 9 + -1y

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