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

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


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

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

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

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

Combine like terms: 7 + 2 = 9
9 + 7y + -2y = 2(y + 5)

Combine like terms: 7y + -2y = 5y
9 + 5y = 2(y + 5)

Reorder the terms:
9 + 5y = 2(5 + y)
9 + 5y = (5 * 2 + y * 2)
9 + 5y = (10 + 2y)

Solving
9 + 5y = 10 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
9 + 5y + -2y = 10 + 2y + -2y

Combine like terms: 5y + -2y = 3y
9 + 3y = 10 + 2y + -2y

Combine like terms: 2y + -2y = 0
9 + 3y = 10 + 0
9 + 3y = 10

Add '-9' to each side of the equation.
9 + -9 + 3y = 10 + -9

Combine like terms: 9 + -9 = 0
0 + 3y = 10 + -9
3y = 10 + -9

Combine like terms: 10 + -9 = 1
3y = 1

Divide each side by '3'.
y = 0.3333333333

Simplifying
y = 0.3333333333

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