2(7+j)=42

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Solution for 2(7+j)=42 equation: 


Simplifying
2(7 + j) = 42
(7 * 2 + j * 2) = 42
(14 + 2j) = 42

Solving
14 + 2j = 42

Solving for variable 'j'.

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

Add '-14' to each side of the equation.
14 + -14 + 2j = 42 + -14

Combine like terms: 14 + -14 = 0
0 + 2j = 42 + -14
2j = 42 + -14

Combine like terms: 42 + -14 = 28
2j = 28

Divide each side by '2'.
j = 14

Simplifying
j = 14

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