2j-j-j+3j=12

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Solution for 2j-j-j+3j=12 equation: 


Simplifying
2j + -1j + -1j + 3j = 12

Combine like terms: 2j + -1j = 1j
1j + -1j + 3j = 12

Combine like terms: 1j + -1j = 0
0 + 3j = 12
3j = 12

Solving
3j = 12

Solving for variable 'j'.

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

Divide each side by '3'.
j = 4

Simplifying
j = 4

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