-3y-3(9y+7)=5+9(-9-y)

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Solution for -3y-3(9y+7)=5+9(-9-y) equation:


Simplifying
-3y + -3(9y + 7) = 5 + 9(-9 + -1y)

Reorder the terms:
-3y + -3(7 + 9y) = 5 + 9(-9 + -1y)
-3y + (7 * -3 + 9y * -3) = 5 + 9(-9 + -1y)
-3y + (-21 + -27y) = 5 + 9(-9 + -1y)

Reorder the terms:
-21 + -3y + -27y = 5 + 9(-9 + -1y)

Combine like terms: -3y + -27y = -30y
-21 + -30y = 5 + 9(-9 + -1y)
-21 + -30y = 5 + (-9 * 9 + -1y * 9)
-21 + -30y = 5 + (-81 + -9y)

Combine like terms: 5 + -81 = -76
-21 + -30y = -76 + -9y

Solving
-21 + -30y = -76 + -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
-21 + -30y + 9y = -76 + -9y + 9y

Combine like terms: -30y + 9y = -21y
-21 + -21y = -76 + -9y + 9y

Combine like terms: -9y + 9y = 0
-21 + -21y = -76 + 0
-21 + -21y = -76

Add '21' to each side of the equation.
-21 + 21 + -21y = -76 + 21

Combine like terms: -21 + 21 = 0
0 + -21y = -76 + 21
-21y = -76 + 21

Combine like terms: -76 + 21 = -55
-21y = -55

Divide each side by '-21'.
y = 2.619047619

Simplifying
y = 2.619047619

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