-4y+3(2y-7)=-1-8(-9-y)

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Solution for -4y+3(2y-7)=-1-8(-9-y) equation:


Simplifying
-4y + 3(2y + -7) = -1 + -8(-9 + -1y)

Reorder the terms:
-4y + 3(-7 + 2y) = -1 + -8(-9 + -1y)
-4y + (-7 * 3 + 2y * 3) = -1 + -8(-9 + -1y)
-4y + (-21 + 6y) = -1 + -8(-9 + -1y)

Reorder the terms:
-21 + -4y + 6y = -1 + -8(-9 + -1y)

Combine like terms: -4y + 6y = 2y
-21 + 2y = -1 + -8(-9 + -1y)
-21 + 2y = -1 + (-9 * -8 + -1y * -8)
-21 + 2y = -1 + (72 + 8y)

Combine like terms: -1 + 72 = 71
-21 + 2y = 71 + 8y

Solving
-21 + 2y = 71 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-21 + 2y + -8y = 71 + 8y + -8y

Combine like terms: 2y + -8y = -6y
-21 + -6y = 71 + 8y + -8y

Combine like terms: 8y + -8y = 0
-21 + -6y = 71 + 0
-21 + -6y = 71

Add '21' to each side of the equation.
-21 + 21 + -6y = 71 + 21

Combine like terms: -21 + 21 = 0
0 + -6y = 71 + 21
-6y = 71 + 21

Combine like terms: 71 + 21 = 92
-6y = 92

Divide each side by '-6'.
y = -15.33333333

Simplifying
y = -15.33333333

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