13-4y=20

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Solution for 13-4y=20 equation: 


Simplifying
13 + -4y = 20

Solving
13 + -4y = 20

Solving for variable 'y'.

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

Add '-13' to each side of the equation.
13 + -13 + -4y = 20 + -13

Combine like terms: 13 + -13 = 0
0 + -4y = 20 + -13
-4y = 20 + -13

Combine like terms: 20 + -13 = 7
-4y = 7

Divide each side by '-4'.
y = -1.75

Simplifying
y = -1.75

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