3(4+j)=

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Solution for 3(4+j)= equation: 


Simplifying
3(4 + j) = 0
(4 * 3 + j * 3) = 0
(12 + 3j) = 0

Solving
12 + 3j = 0

Solving for variable 'j'.

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

Add '-12' to each side of the equation.
12 + -12 + 3j = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 3j = 0 + -12
3j = 0 + -12

Combine like terms: 0 + -12 = -12
3j = -12

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

Simplifying
j = -4

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