4j+13=3j+21

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Solution for 4j+13=3j+21 equation:


Simplifying
4j + 13 = 3j + 21

Reorder the terms:
13 + 4j = 3j + 21

Reorder the terms:
13 + 4j = 21 + 3j

Solving
13 + 4j = 21 + 3j

Solving for variable 'j'.

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

Add '-3j' to each side of the equation.
13 + 4j + -3j = 21 + 3j + -3j

Combine like terms: 4j + -3j = 1j
13 + 1j = 21 + 3j + -3j

Combine like terms: 3j + -3j = 0
13 + 1j = 21 + 0
13 + 1j = 21

Add '-13' to each side of the equation.
13 + -13 + 1j = 21 + -13

Combine like terms: 13 + -13 = 0
0 + 1j = 21 + -13
1j = 21 + -13

Combine like terms: 21 + -13 = 8
1j = 8

Divide each side by '1'.
j = 8

Simplifying
j = 8

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