1-5y+4=20

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


Simplifying
1 + -5y + 4 = 20

Reorder the terms:
1 + 4 + -5y = 20

Combine like terms: 1 + 4 = 5
5 + -5y = 20

Solving
5 + -5y = 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 + -5y = 20 + -5

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

Combine like terms: 20 + -5 = 15
-5y = 15

Divide each side by '-5'.
y = -3

Simplifying
y = -3

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