5y-2+8y=31

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Solution for 5y-2+8y=31 equation: 


Simplifying
5y + -2 + 8y = 31

Reorder the terms:
-2 + 5y + 8y = 31

Combine like terms: 5y + 8y = 13y
-2 + 13y = 31

Solving
-2 + 13y = 31

Solving for variable 'y'.

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

Add '2' to each side of the equation.
-2 + 2 + 13y = 31 + 2

Combine like terms: -2 + 2 = 0
0 + 13y = 31 + 2
13y = 31 + 2

Combine like terms: 31 + 2 = 33
13y = 33

Divide each side by '13'.
y = 2.538461538

Simplifying
y = 2.538461538

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