2+8y=9+y

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Solution for 2+8y=9+y equation:


Simplifying
2 + 8y = 9 + y

Solving
2 + 8y = 9 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
2 + 8y + -1y = 9 + y + -1y

Combine like terms: 8y + -1y = 7y
2 + 7y = 9 + y + -1y

Combine like terms: y + -1y = 0
2 + 7y = 9 + 0
2 + 7y = 9

Add '-2' to each side of the equation.
2 + -2 + 7y = 9 + -2

Combine like terms: 2 + -2 = 0
0 + 7y = 9 + -2
7y = 9 + -2

Combine like terms: 9 + -2 = 7
7y = 7

Divide each side by '7'.
y = 1

Simplifying
y = 1

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