7-8y=31

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Solution for 7-8y=31 equation: 


Simplifying
7 + -8y = 31

Solving
7 + -8y = 31

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + -8y = 31 + -7

Combine like terms: 7 + -7 = 0
0 + -8y = 31 + -7
-8y = 31 + -7

Combine like terms: 31 + -7 = 24
-8y = 24

Divide each side by '-8'.
y = -3

Simplifying
y = -3

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