7(21)=j

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Solution for 7(21)=j equation:


Simplifying
7(21) = j

Multiply 7 * 21
147 = j

Solving
147 = j

Solving for variable 'j'.

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

Add '-1j' to each side of the equation.
147 + -1j = j + -1j

Combine like terms: j + -1j = 0
147 + -1j = 0

Add '-147' to each side of the equation.
147 + -147 + -1j = 0 + -147

Combine like terms: 147 + -147 = 0
0 + -1j = 0 + -147
-1j = 0 + -147

Combine like terms: 0 + -147 = -147
-1j = -147

Divide each side by '-1'.
j = 147

Simplifying
j = 147

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