4(2y-7)-3(2y+4)=8(5-y)-5(y+7)

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Solution for 4(2y-7)-3(2y+4)=8(5-y)-5(y+7) equation:


Simplifying
4(2y + -7) + -3(2y + 4) = 8(5 + -1y) + -5(y + 7)

Reorder the terms:
4(-7 + 2y) + -3(2y + 4) = 8(5 + -1y) + -5(y + 7)
(-7 * 4 + 2y * 4) + -3(2y + 4) = 8(5 + -1y) + -5(y + 7)
(-28 + 8y) + -3(2y + 4) = 8(5 + -1y) + -5(y + 7)

Reorder the terms:
-28 + 8y + -3(4 + 2y) = 8(5 + -1y) + -5(y + 7)
-28 + 8y + (4 * -3 + 2y * -3) = 8(5 + -1y) + -5(y + 7)
-28 + 8y + (-12 + -6y) = 8(5 + -1y) + -5(y + 7)

Reorder the terms:
-28 + -12 + 8y + -6y = 8(5 + -1y) + -5(y + 7)

Combine like terms: -28 + -12 = -40
-40 + 8y + -6y = 8(5 + -1y) + -5(y + 7)

Combine like terms: 8y + -6y = 2y
-40 + 2y = 8(5 + -1y) + -5(y + 7)
-40 + 2y = (5 * 8 + -1y * 8) + -5(y + 7)
-40 + 2y = (40 + -8y) + -5(y + 7)

Reorder the terms:
-40 + 2y = 40 + -8y + -5(7 + y)
-40 + 2y = 40 + -8y + (7 * -5 + y * -5)
-40 + 2y = 40 + -8y + (-35 + -5y)

Reorder the terms:
-40 + 2y = 40 + -35 + -8y + -5y

Combine like terms: 40 + -35 = 5
-40 + 2y = 5 + -8y + -5y

Combine like terms: -8y + -5y = -13y
-40 + 2y = 5 + -13y

Solving
-40 + 2y = 5 + -13y

Solving for variable 'y'.

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

Add '13y' to each side of the equation.
-40 + 2y + 13y = 5 + -13y + 13y

Combine like terms: 2y + 13y = 15y
-40 + 15y = 5 + -13y + 13y

Combine like terms: -13y + 13y = 0
-40 + 15y = 5 + 0
-40 + 15y = 5

Add '40' to each side of the equation.
-40 + 40 + 15y = 5 + 40

Combine like terms: -40 + 40 = 0
0 + 15y = 5 + 40
15y = 5 + 40

Combine like terms: 5 + 40 = 45
15y = 45

Divide each side by '15'.
y = 3

Simplifying
y = 3

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