-5y+3(1y-9)=-1+8(2-y)

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Solution for -5y+3(1y-9)=-1+8(2-y) equation:


Simplifying
-5y + 3(1y + -9) = -1 + 8(2 + -1y)

Reorder the terms:
-5y + 3(-9 + 1y) = -1 + 8(2 + -1y)
-5y + (-9 * 3 + 1y * 3) = -1 + 8(2 + -1y)
-5y + (-27 + 3y) = -1 + 8(2 + -1y)

Reorder the terms:
-27 + -5y + 3y = -1 + 8(2 + -1y)

Combine like terms: -5y + 3y = -2y
-27 + -2y = -1 + 8(2 + -1y)
-27 + -2y = -1 + (2 * 8 + -1y * 8)
-27 + -2y = -1 + (16 + -8y)

Combine like terms: -1 + 16 = 15
-27 + -2y = 15 + -8y

Solving
-27 + -2y = 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.
-27 + -2y + 8y = 15 + -8y + 8y

Combine like terms: -2y + 8y = 6y
-27 + 6y = 15 + -8y + 8y

Combine like terms: -8y + 8y = 0
-27 + 6y = 15 + 0
-27 + 6y = 15

Add '27' to each side of the equation.
-27 + 27 + 6y = 15 + 27

Combine like terms: -27 + 27 = 0
0 + 6y = 15 + 27
6y = 15 + 27

Combine like terms: 15 + 27 = 42
6y = 42

Divide each side by '6'.
y = 7

Simplifying
y = 7

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