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

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Solution for -3y+2(-4y+5)=-1+8(2-y) equation:


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

Reorder the terms:
-3y + 2(5 + -4y) = -1 + 8(2 + -1y)
-3y + (5 * 2 + -4y * 2) = -1 + 8(2 + -1y)
-3y + (10 + -8y) = -1 + 8(2 + -1y)

Reorder the terms:
10 + -3y + -8y = -1 + 8(2 + -1y)

Combine like terms: -3y + -8y = -11y
10 + -11y = -1 + 8(2 + -1y)
10 + -11y = -1 + (2 * 8 + -1y * 8)
10 + -11y = -1 + (16 + -8y)

Combine like terms: -1 + 16 = 15
10 + -11y = 15 + -8y

Solving
10 + -11y = 15 + -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.
10 + -11y + 8y = 15 + -8y + 8y

Combine like terms: -11y + 8y = -3y
10 + -3y = 15 + -8y + 8y

Combine like terms: -8y + 8y = 0
10 + -3y = 15 + 0
10 + -3y = 15

Add '-10' to each side of the equation.
10 + -10 + -3y = 15 + -10

Combine like terms: 10 + -10 = 0
0 + -3y = 15 + -10
-3y = 15 + -10

Combine like terms: 15 + -10 = 5
-3y = 5

Divide each side by '-3'.
y = -1.666666667

Simplifying
y = -1.666666667

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