3j-2+4j+7+5j=2j(7-2)-3j-13

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Solution for 3j-2+4j+7+5j=2j(7-2)-3j-13 equation:


Simplifying
3j + -2 + 4j + 7 + 5j = 2j(7 + -2) + -3j + -13

Reorder the terms:
-2 + 7 + 3j + 4j + 5j = 2j(7 + -2) + -3j + -13

Combine like terms: -2 + 7 = 5
5 + 3j + 4j + 5j = 2j(7 + -2) + -3j + -13

Combine like terms: 3j + 4j = 7j
5 + 7j + 5j = 2j(7 + -2) + -3j + -13

Combine like terms: 7j + 5j = 12j
5 + 12j = 2j(7 + -2) + -3j + -13

Combine like terms: 7 + -2 = 5
5 + 12j = 2j(5) + -3j + -13

Reorder the terms for easier multiplication:
5 + 12j = 2 * 5j + -3j + -13

Multiply 2 * 5
5 + 12j = 10j + -3j + -13

Reorder the terms:
5 + 12j = -13 + 10j + -3j

Combine like terms: 10j + -3j = 7j
5 + 12j = -13 + 7j

Solving
5 + 12j = -13 + 7j

Solving for variable 'j'.

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

Add '-7j' to each side of the equation.
5 + 12j + -7j = -13 + 7j + -7j

Combine like terms: 12j + -7j = 5j
5 + 5j = -13 + 7j + -7j

Combine like terms: 7j + -7j = 0
5 + 5j = -13 + 0
5 + 5j = -13

Add '-5' to each side of the equation.
5 + -5 + 5j = -13 + -5

Combine like terms: 5 + -5 = 0
0 + 5j = -13 + -5
5j = -13 + -5

Combine like terms: -13 + -5 = -18
5j = -18

Divide each side by '5'.
j = -3.6

Simplifying
j = -3.6

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