-20=-45-5y

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Solution for -20=-45-5y equation: 


Simplifying
-20 = -45 + -5y

Solving
-20 = -45 + -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.
-20 + 5y = -45 + -5y + 5y

Combine like terms: -5y + 5y = 0
-20 + 5y = -45 + 0
-20 + 5y = -45

Add '20' to each side of the equation.
-20 + 20 + 5y = -45 + 20

Combine like terms: -20 + 20 = 0
0 + 5y = -45 + 20
5y = -45 + 20

Combine like terms: -45 + 20 = -25
5y = -25

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

Simplifying
y = -5

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