18=9y-7

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Solution for 18=9y-7 equation:


Simplifying
18 = 9y + -7

Reorder the terms:
18 = -7 + 9y

Solving
18 = -7 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
18 + -9y = -7 + 9y + -9y

Combine like terms: 9y + -9y = 0
18 + -9y = -7 + 0
18 + -9y = -7

Add '-18' to each side of the equation.
18 + -18 + -9y = -7 + -18

Combine like terms: 18 + -18 = 0
0 + -9y = -7 + -18
-9y = -7 + -18

Combine like terms: -7 + -18 = -25
-9y = -25

Divide each side by '-9'.
y = 2.777777778

Simplifying
y = 2.777777778

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