3-4y+2y=20

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Solution for 3-4y+2y=20 equation: 


Simplifying
3 + -4y + 2y = 20

Combine like terms: -4y + 2y = -2y
3 + -2y = 20

Solving
3 + -2y = 20

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + -2y = 20 + -3

Combine like terms: 3 + -3 = 0
0 + -2y = 20 + -3
-2y = 20 + -3

Combine like terms: 20 + -3 = 17
-2y = 17

Divide each side by '-2'.
y = -8.5

Simplifying
y = -8.5

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