6-(y-6)=3(y+3)-7(y+3)

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


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

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

Combine like terms: 6 + 6 = 12
12 + -1y = 3(y + 3) + -7(y + 3)

Reorder the terms:
12 + -1y = 3(3 + y) + -7(y + 3)
12 + -1y = (3 * 3 + y * 3) + -7(y + 3)
12 + -1y = (9 + 3y) + -7(y + 3)

Reorder the terms:
12 + -1y = 9 + 3y + -7(3 + y)
12 + -1y = 9 + 3y + (3 * -7 + y * -7)
12 + -1y = 9 + 3y + (-21 + -7y)

Reorder the terms:
12 + -1y = 9 + -21 + 3y + -7y

Combine like terms: 9 + -21 = -12
12 + -1y = -12 + 3y + -7y

Combine like terms: 3y + -7y = -4y
12 + -1y = -12 + -4y

Solving
12 + -1y = -12 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
12 + -1y + 4y = -12 + -4y + 4y

Combine like terms: -1y + 4y = 3y
12 + 3y = -12 + -4y + 4y

Combine like terms: -4y + 4y = 0
12 + 3y = -12 + 0
12 + 3y = -12

Add '-12' to each side of the equation.
12 + -12 + 3y = -12 + -12

Combine like terms: 12 + -12 = 0
0 + 3y = -12 + -12
3y = -12 + -12

Combine like terms: -12 + -12 = -24
3y = -24

Divide each side by '3'.
y = -8

Simplifying
y = -8

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