-6y-7(-1y-3)=2-7(7-y)

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Solution for -6y-7(-1y-3)=2-7(7-y) equation:


Simplifying
-6y + -7(-1y + -3) = 2 + -7(7 + -1y)

Reorder the terms:
-6y + -7(-3 + -1y) = 2 + -7(7 + -1y)
-6y + (-3 * -7 + -1y * -7) = 2 + -7(7 + -1y)
-6y + (21 + 7y) = 2 + -7(7 + -1y)

Reorder the terms:
21 + -6y + 7y = 2 + -7(7 + -1y)

Combine like terms: -6y + 7y = 1y
21 + 1y = 2 + -7(7 + -1y)
21 + 1y = 2 + (7 * -7 + -1y * -7)
21 + 1y = 2 + (-49 + 7y)

Combine like terms: 2 + -49 = -47
21 + 1y = -47 + 7y

Solving
21 + 1y = -47 + 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.
21 + 1y + -7y = -47 + 7y + -7y

Combine like terms: 1y + -7y = -6y
21 + -6y = -47 + 7y + -7y

Combine like terms: 7y + -7y = 0
21 + -6y = -47 + 0
21 + -6y = -47

Add '-21' to each side of the equation.
21 + -21 + -6y = -47 + -21

Combine like terms: 21 + -21 = 0
0 + -6y = -47 + -21
-6y = -47 + -21

Combine like terms: -47 + -21 = -68
-6y = -68

Divide each side by '-6'.
y = 11.33333333

Simplifying
y = 11.33333333

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