-4*1-5y=20

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Solution for -4*1-5y=20 equation: 


Simplifying
-4 * 1 + -5y = 20

Multiply -4 * 1
-4 + -5y = 20

Solving
-4 + -5y = 20

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + -5y = 20 + 4

Combine like terms: -4 + 4 = 0
0 + -5y = 20 + 4
-5y = 20 + 4

Combine like terms: 20 + 4 = 24
-5y = 24

Divide each side by '-5'.
y = -4.8

Simplifying
y = -4.8

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