3j+12=42

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Solution for 3j+12=42 equation:


Simplifying
3j + 12 = 42

Reorder the terms:
12 + 3j = 42

Solving
12 + 3j = 42

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 = 42 + -12

Combine like terms: 12 + -12 = 0
0 + 3j = 42 + -12
3j = 42 + -12

Combine like terms: 42 + -12 = 30
3j = 30

Divide each side by '3'.
j = 10

Simplifying
j = 10

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