-4y+9y=-20+15

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Solution for -4y+9y=-20+15 equation: 


Simplifying
-4y + 9y = -20 + 15

Combine like terms: -4y + 9y = 5y
5y = -20 + 15

Combine like terms: -20 + 15 = -5
5y = -5

Solving
5y = -5

Solving for variable 'y'.

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

Divide each side by '5'.
y = -1

Simplifying
y = -1

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