-5*1-4y=20

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


Simplifying
-5 * 1 + -4y = 20

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

Solving
-5 + -4y = 20

Solving for variable 'y'.

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

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

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

Combine like terms: 20 + 5 = 25
-4y = 25

Divide each side by '-4'.
y = -6.25

Simplifying
y = -6.25

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