9=8+7y

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Solution for 9=8+7y equation:


Simplifying
9 = 8 + 7y

Solving
9 = 8 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
9 + -7y = 8 + 7y + -7y

Combine like terms: 7y + -7y = 0
9 + -7y = 8 + 0
9 + -7y = 8

Add '-9' to each side of the equation.
9 + -9 + -7y = 8 + -9

Combine like terms: 9 + -9 = 0
0 + -7y = 8 + -9
-7y = 8 + -9

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

Divide each side by '-7'.
y = 0.1428571429

Simplifying
y = 0.1428571429

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