9y-9-7y+4=0

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Solution for 9y-9-7y+4=0 equation:


Simplifying
9y + -9 + -7y + 4 = 0

Reorder the terms:
-9 + 4 + 9y + -7y = 0

Combine like terms: -9 + 4 = -5
-5 + 9y + -7y = 0

Combine like terms: 9y + -7y = 2y
-5 + 2y = 0

Solving
-5 + 2y = 0

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + 2y = 0 + 5

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

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

Divide each side by '2'.
y = 2.5

Simplifying
y = 2.5

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