-9=12+5y

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Solution for -9=12+5y equation:


Simplifying
-9 = 12 + 5y

Solving
-9 = 12 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-9 + -5y = 12 + 5y + -5y

Combine like terms: 5y + -5y = 0
-9 + -5y = 12 + 0
-9 + -5y = 12

Add '9' to each side of the equation.
-9 + 9 + -5y = 12 + 9

Combine like terms: -9 + 9 = 0
0 + -5y = 12 + 9
-5y = 12 + 9

Combine like terms: 12 + 9 = 21
-5y = 21

Divide each side by '-5'.
y = -4.2

Simplifying
y = -4.2

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