7(3j-7)=-7

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Solution for 7(3j-7)=-7 equation:


Simplifying
7(3j + -7) = -7

Reorder the terms:
7(-7 + 3j) = -7
(-7 * 7 + 3j * 7) = -7
(-49 + 21j) = -7

Solving
-49 + 21j = -7

Solving for variable 'j'.

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

Add '49' to each side of the equation.
-49 + 49 + 21j = -7 + 49

Combine like terms: -49 + 49 = 0
0 + 21j = -7 + 49
21j = -7 + 49

Combine like terms: -7 + 49 = 42
21j = 42

Divide each side by '21'.
j = 2

Simplifying
j = 2

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