-5y+1(-2y-5)=7-8(1-y)

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Solution for -5y+1(-2y-5)=7-8(1-y) equation:


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

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

Reorder the terms:
-5 + -5y + -2y = 7 + -8(1 + -1y)

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

Combine like terms: 7 + -8 = -1
-5 + -7y = -1 + 8y

Solving
-5 + -7y = -1 + 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.
-5 + -7y + -8y = -1 + 8y + -8y

Combine like terms: -7y + -8y = -15y
-5 + -15y = -1 + 8y + -8y

Combine like terms: 8y + -8y = 0
-5 + -15y = -1 + 0
-5 + -15y = -1

Add '5' to each side of the equation.
-5 + 5 + -15y = -1 + 5

Combine like terms: -5 + 5 = 0
0 + -15y = -1 + 5
-15y = -1 + 5

Combine like terms: -1 + 5 = 4
-15y = 4

Divide each side by '-15'.
y = -0.2666666667

Simplifying
y = -0.2666666667

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