20-5y=-45

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Solution for 20-5y=-45 equation: 


Simplifying
20 + -5y = -45

Solving
20 + -5y = -45

Solving for variable 'y'.

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

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 = -65
-5y = -65

Divide each side by '-5'.
y = 13

Simplifying
y = 13

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