-3(y-3)-(-9-8y)=4y

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Solution for -3(y-3)-(-9-8y)=4y equation:


Simplifying
-3(y + -3) + -1(-9 + -8y) = 4y

Reorder the terms:
-3(-3 + y) + -1(-9 + -8y) = 4y
(-3 * -3 + y * -3) + -1(-9 + -8y) = 4y
(9 + -3y) + -1(-9 + -8y) = 4y
9 + -3y + (-9 * -1 + -8y * -1) = 4y
9 + -3y + (9 + 8y) = 4y

Reorder the terms:
9 + 9 + -3y + 8y = 4y

Combine like terms: 9 + 9 = 18
18 + -3y + 8y = 4y

Combine like terms: -3y + 8y = 5y
18 + 5y = 4y

Solving
18 + 5y = 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
18 + 5y + -4y = 4y + -4y

Combine like terms: 5y + -4y = 1y
18 + 1y = 4y + -4y

Combine like terms: 4y + -4y = 0
18 + 1y = 0

Add '-18' to each side of the equation.
18 + -18 + 1y = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 1y = 0 + -18
1y = 0 + -18

Combine like terms: 0 + -18 = -18
1y = -18

Divide each side by '1'.
y = -18

Simplifying
y = -18

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