5y+8=y-(7-y)

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Solution for 5y+8=y-(7-y) equation:


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

Reorder the terms:
8 + 5y = y + -1(7 + -1y)
8 + 5y = y + (7 * -1 + -1y * -1)
8 + 5y = y + (-7 + 1y)

Reorder the terms:
8 + 5y = -7 + y + 1y

Combine like terms: y + 1y = 2y
8 + 5y = -7 + 2y

Solving
8 + 5y = -7 + 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.
8 + 5y + -2y = -7 + 2y + -2y

Combine like terms: 5y + -2y = 3y
8 + 3y = -7 + 2y + -2y

Combine like terms: 2y + -2y = 0
8 + 3y = -7 + 0
8 + 3y = -7

Add '-8' to each side of the equation.
8 + -8 + 3y = -7 + -8

Combine like terms: 8 + -8 = 0
0 + 3y = -7 + -8
3y = -7 + -8

Combine like terms: -7 + -8 = -15
3y = -15

Divide each side by '3'.
y = -5

Simplifying
y = -5

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