20-4y+y=8

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Solution for 20-4y+y=8 equation: 


Simplifying
20 + -4y + y = 8

Combine like terms: -4y + y = -3y
20 + -3y = 8

Solving
20 + -3y = 8

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 = 8 + -20

Combine like terms: 20 + -20 = 0
0 + -3y = 8 + -20
-3y = 8 + -20

Combine like terms: 8 + -20 = -12
-3y = -12

Divide each side by '-3'.
y = 4

Simplifying
y = 4

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