=9y-4y+2y

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Solution for =9y-4y+2y equation: 


Simplifying
0 = 9y + -4y + 2y

Combine like terms: 9y + -4y = 5y
0 = 5y + 2y

Combine like terms: 5y + 2y = 7y
0 = 7y

Solving
0 = 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
0 + -7y = 7y + -7y
Remove the zero:
-7y = 7y + -7y

Combine like terms: 7y + -7y = 0
-7y = 0

Divide each side by '-7'.
y = 0

Simplifying
y = 0

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