20-y+4y=16

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Solution for 20-y+4y=16 equation: 


Simplifying
20 + -1y + 4y = 16

Combine like terms: -1y + 4y = 3y
20 + 3y = 16

Solving
20 + 3y = 16

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 + 3y = 16 + -20

Combine like terms: 20 + -20 = 0
0 + 3y = 16 + -20
3y = 16 + -20

Combine like terms: 16 + -20 = -4
3y = -4

Divide each side by '3'.
y = -1.333333333

Simplifying
y = -1.333333333

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