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

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


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

Reorder the terms:
6y + -7(-3 + y) = 8 + -7(y + -3)
6y + (-3 * -7 + y * -7) = 8 + -7(y + -3)
6y + (21 + -7y) = 8 + -7(y + -3)

Reorder the terms:
21 + 6y + -7y = 8 + -7(y + -3)

Combine like terms: 6y + -7y = -1y
21 + -1y = 8 + -7(y + -3)

Reorder the terms:
21 + -1y = 8 + -7(-3 + y)
21 + -1y = 8 + (-3 * -7 + y * -7)
21 + -1y = 8 + (21 + -7y)

Combine like terms: 8 + 21 = 29
21 + -1y = 29 + -7y

Solving
21 + -1y = 29 + -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 = 29 + -7y + 7y

Combine like terms: -1y + 7y = 6y
21 + 6y = 29 + -7y + 7y

Combine like terms: -7y + 7y = 0
21 + 6y = 29 + 0
21 + 6y = 29

Add '-21' to each side of the equation.
21 + -21 + 6y = 29 + -21

Combine like terms: 21 + -21 = 0
0 + 6y = 29 + -21
6y = 29 + -21

Combine like terms: 29 + -21 = 8
6y = 8

Divide each side by '6'.
y = 1.333333333

Simplifying
y = 1.333333333

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