8=y+9+y

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Solution for 8=y+9+y equation:


Simplifying
8 = y + 9 + y

Reorder the terms:
8 = 9 + y + y

Combine like terms: y + y = 2y
8 = 9 + 2y

Solving
8 = 9 + 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 + -2y = 9 + 2y + -2y

Combine like terms: 2y + -2y = 0
8 + -2y = 9 + 0
8 + -2y = 9

Add '-8' to each side of the equation.
8 + -8 + -2y = 9 + -8

Combine like terms: 8 + -8 = 0
0 + -2y = 9 + -8
-2y = 9 + -8

Combine like terms: 9 + -8 = 1
-2y = 1

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

Simplifying
y = -0.5

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