8+y=7+3y

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Solution for 8+y=7+3y equation:


Simplifying
8 + y = 7 + 3y

Solving
8 + y = 7 + 3y

Solving for variable 'y'.

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

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

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

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

Add '-8' to each side of the equation.
8 + -8 + -2y = 7 + -8

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

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

Divide each side by '-2'.
y = 0.5

Simplifying
y = 0.5

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