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

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


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

Reorder the terms:
-3y + -3(4 + 9y) = -9 + 4(8 + -1y)
-3y + (4 * -3 + 9y * -3) = -9 + 4(8 + -1y)
-3y + (-12 + -27y) = -9 + 4(8 + -1y)

Reorder the terms:
-12 + -3y + -27y = -9 + 4(8 + -1y)

Combine like terms: -3y + -27y = -30y
-12 + -30y = -9 + 4(8 + -1y)
-12 + -30y = -9 + (8 * 4 + -1y * 4)
-12 + -30y = -9 + (32 + -4y)

Combine like terms: -9 + 32 = 23
-12 + -30y = 23 + -4y

Solving
-12 + -30y = 23 + -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.
-12 + -30y + 4y = 23 + -4y + 4y

Combine like terms: -30y + 4y = -26y
-12 + -26y = 23 + -4y + 4y

Combine like terms: -4y + 4y = 0
-12 + -26y = 23 + 0
-12 + -26y = 23

Add '12' to each side of the equation.
-12 + 12 + -26y = 23 + 12

Combine like terms: -12 + 12 = 0
0 + -26y = 23 + 12
-26y = 23 + 12

Combine like terms: 23 + 12 = 35
-26y = 35

Divide each side by '-26'.
y = -1.346153846

Simplifying
y = -1.346153846

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