9(2y-9)-(8y+5)=

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Solution for 9(2y-9)-(8y+5)= equation:


Simplifying
9(2y + -9) + -1(8y + 5) = 0

Reorder the terms:
9(-9 + 2y) + -1(8y + 5) = 0
(-9 * 9 + 2y * 9) + -1(8y + 5) = 0
(-81 + 18y) + -1(8y + 5) = 0

Reorder the terms:
-81 + 18y + -1(5 + 8y) = 0
-81 + 18y + (5 * -1 + 8y * -1) = 0
-81 + 18y + (-5 + -8y) = 0

Reorder the terms:
-81 + -5 + 18y + -8y = 0

Combine like terms: -81 + -5 = -86
-86 + 18y + -8y = 0

Combine like terms: 18y + -8y = 10y
-86 + 10y = 0

Solving
-86 + 10y = 0

Solving for variable 'y'.

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

Add '86' to each side of the equation.
-86 + 86 + 10y = 0 + 86

Combine like terms: -86 + 86 = 0
0 + 10y = 0 + 86
10y = 0 + 86

Combine like terms: 0 + 86 = 86
10y = 86

Divide each side by '10'.
y = 8.6

Simplifying
y = 8.6

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