5+9y=77+y

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Solution for 5+9y=77+y equation:


Simplifying
5 + 9y = 77 + y

Solving
5 + 9y = 77 + 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.
5 + 9y + -1y = 77 + y + -1y

Combine like terms: 9y + -1y = 8y
5 + 8y = 77 + y + -1y

Combine like terms: y + -1y = 0
5 + 8y = 77 + 0
5 + 8y = 77

Add '-5' to each side of the equation.
5 + -5 + 8y = 77 + -5

Combine like terms: 5 + -5 = 0
0 + 8y = 77 + -5
8y = 77 + -5

Combine like terms: 77 + -5 = 72
8y = 72

Divide each side by '8'.
y = 9

Simplifying
y = 9

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