7y+8-y=3+5y+9

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Solution for 7y+8-y=3+5y+9 equation:


Simplifying
7y + 8 + -1y = 3 + 5y + 9

Reorder the terms:
8 + 7y + -1y = 3 + 5y + 9

Combine like terms: 7y + -1y = 6y
8 + 6y = 3 + 5y + 9

Reorder the terms:
8 + 6y = 3 + 9 + 5y

Combine like terms: 3 + 9 = 12
8 + 6y = 12 + 5y

Solving
8 + 6y = 12 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
8 + 6y + -5y = 12 + 5y + -5y

Combine like terms: 6y + -5y = 1y
8 + 1y = 12 + 5y + -5y

Combine like terms: 5y + -5y = 0
8 + 1y = 12 + 0
8 + 1y = 12

Add '-8' to each side of the equation.
8 + -8 + 1y = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 1y = 12 + -8
1y = 12 + -8

Combine like terms: 12 + -8 = 4
1y = 4

Divide each side by '1'.
y = 4

Simplifying
y = 4

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