-4=7+9y

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Solution for -4=7+9y equation:


Simplifying
-4 = 7 + 9y

Solving
-4 = 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.
-4 + -9y = 7 + 9y + -9y

Combine like terms: 9y + -9y = 0
-4 + -9y = 7 + 0
-4 + -9y = 7

Add '4' to each side of the equation.
-4 + 4 + -9y = 7 + 4

Combine like terms: -4 + 4 = 0
0 + -9y = 7 + 4
-9y = 7 + 4

Combine like terms: 7 + 4 = 11
-9y = 11

Divide each side by '-9'.
y = -1.222222222

Simplifying
y = -1.222222222

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