4y+8-y=7+2y-8

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Solution for 4y+8-y=7+2y-8 equation:


Simplifying
4y + 8 + -1y = 7 + 2y + -8

Reorder the terms:
8 + 4y + -1y = 7 + 2y + -8

Combine like terms: 4y + -1y = 3y
8 + 3y = 7 + 2y + -8

Reorder the terms:
8 + 3y = 7 + -8 + 2y

Combine like terms: 7 + -8 = -1
8 + 3y = -1 + 2y

Solving
8 + 3y = -1 + 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 + 3y + -2y = -1 + 2y + -2y

Combine like terms: 3y + -2y = 1y
8 + 1y = -1 + 2y + -2y

Combine like terms: 2y + -2y = 0
8 + 1y = -1 + 0
8 + 1y = -1

Add '-8' to each side of the equation.
8 + -8 + 1y = -1 + -8

Combine like terms: 8 + -8 = 0
0 + 1y = -1 + -8
1y = -1 + -8

Combine like terms: -1 + -8 = -9
1y = -9

Divide each side by '1'.
y = -9

Simplifying
y = -9

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