3(28+7y)=

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Solution for 3(28+7y)= equation: 


Simplifying
3(28 + 7y) = 0
(28 * 3 + 7y * 3) = 0
(84 + 21y) = 0

Solving
84 + 21y = 0

Solving for variable 'y'.

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

Add '-84' to each side of the equation.
84 + -84 + 21y = 0 + -84

Combine like terms: 84 + -84 = 0
0 + 21y = 0 + -84
21y = 0 + -84

Combine like terms: 0 + -84 = -84
21y = -84

Divide each side by '21'.
y = -4

Simplifying
y = -4

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