9(9y-4)-(9y+4)=

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Solution for 9(9y-4)-(9y+4)= equation:


Simplifying
9(9y + -4) + -1(9y + 4) = 0

Reorder the terms:
9(-4 + 9y) + -1(9y + 4) = 0
(-4 * 9 + 9y * 9) + -1(9y + 4) = 0
(-36 + 81y) + -1(9y + 4) = 0

Reorder the terms:
-36 + 81y + -1(4 + 9y) = 0
-36 + 81y + (4 * -1 + 9y * -1) = 0
-36 + 81y + (-4 + -9y) = 0

Reorder the terms:
-36 + -4 + 81y + -9y = 0

Combine like terms: -36 + -4 = -40
-40 + 81y + -9y = 0

Combine like terms: 81y + -9y = 72y
-40 + 72y = 0

Solving
-40 + 72y = 0

Solving for variable 'y'.

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

Add '40' to each side of the equation.
-40 + 40 + 72y = 0 + 40

Combine like terms: -40 + 40 = 0
0 + 72y = 0 + 40
72y = 0 + 40

Combine like terms: 0 + 40 = 40
72y = 40

Divide each side by '72'.
y = 0.5555555556

Simplifying
y = 0.5555555556

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