-6y-5(-3y-5)=8-7(1-y)

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Solution for -6y-5(-3y-5)=8-7(1-y) equation:


Simplifying
-6y + -5(-3y + -5) = 8 + -7(1 + -1y)

Reorder the terms:
-6y + -5(-5 + -3y) = 8 + -7(1 + -1y)
-6y + (-5 * -5 + -3y * -5) = 8 + -7(1 + -1y)
-6y + (25 + 15y) = 8 + -7(1 + -1y)

Reorder the terms:
25 + -6y + 15y = 8 + -7(1 + -1y)

Combine like terms: -6y + 15y = 9y
25 + 9y = 8 + -7(1 + -1y)
25 + 9y = 8 + (1 * -7 + -1y * -7)
25 + 9y = 8 + (-7 + 7y)

Combine like terms: 8 + -7 = 1
25 + 9y = 1 + 7y

Solving
25 + 9y = 1 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
25 + 9y + -7y = 1 + 7y + -7y

Combine like terms: 9y + -7y = 2y
25 + 2y = 1 + 7y + -7y

Combine like terms: 7y + -7y = 0
25 + 2y = 1 + 0
25 + 2y = 1

Add '-25' to each side of the equation.
25 + -25 + 2y = 1 + -25

Combine like terms: 25 + -25 = 0
0 + 2y = 1 + -25
2y = 1 + -25

Combine like terms: 1 + -25 = -24
2y = -24

Divide each side by '2'.
y = -12

Simplifying
y = -12

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