3(20-6y)=30

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Solution for 3(20-6y)=30 equation: 


Simplifying
3(20 + -6y) = 30
(20 * 3 + -6y * 3) = 30
(60 + -18y) = 30

Solving
60 + -18y = 30

Solving for variable 'y'.

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

Add '-60' to each side of the equation.
60 + -60 + -18y = 30 + -60

Combine like terms: 60 + -60 = 0
0 + -18y = 30 + -60
-18y = 30 + -60

Combine like terms: 30 + -60 = -30
-18y = -30

Divide each side by '-18'.
y = 1.666666667

Simplifying
y = 1.666666667

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