3(-4y)+8y=20

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Solution for 3(-4y)+8y=20 equation: 


Simplifying
3(-4y) + 8y = 20

Remove parenthesis around (-4y)
3 * -4y + 8y = 20

Multiply 3 * -4
-12y + 8y = 20

Combine like terms: -12y + 8y = -4y
-4y = 20

Solving
-4y = 20

Solving for variable 'y'.

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

Divide each side by '-4'.
y = -5

Simplifying
y = -5

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