9(5y-7)-(9y+8)=

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Solution for 9(5y-7)-(9y+8)= equation:


Simplifying
9(5y + -7) + -1(9y + 8) = 0

Reorder the terms:
9(-7 + 5y) + -1(9y + 8) = 0
(-7 * 9 + 5y * 9) + -1(9y + 8) = 0
(-63 + 45y) + -1(9y + 8) = 0

Reorder the terms:
-63 + 45y + -1(8 + 9y) = 0
-63 + 45y + (8 * -1 + 9y * -1) = 0
-63 + 45y + (-8 + -9y) = 0

Reorder the terms:
-63 + -8 + 45y + -9y = 0

Combine like terms: -63 + -8 = -71
-71 + 45y + -9y = 0

Combine like terms: 45y + -9y = 36y
-71 + 36y = 0

Solving
-71 + 36y = 0

Solving for variable 'y'.

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

Add '71' to each side of the equation.
-71 + 71 + 36y = 0 + 71

Combine like terms: -71 + 71 = 0
0 + 36y = 0 + 71
36y = 0 + 71

Combine like terms: 0 + 71 = 71
36y = 71

Divide each side by '36'.
y = 1.972222222

Simplifying
y = 1.972222222

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