3j+5j-(-15j)-15j-9j-(-20)=4

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Solution for 3j+5j-(-15j)-15j-9j-(-20)=4 equation:


Simplifying
3j + 5j + -1(-15j) + -15j + -9j + -1(-20) = 4

Remove parenthesis around (-15j)
3j + 5j + -1 * -15j + -15j + -9j + -1(-20) = 4

Multiply -1 * -15
3j + 5j + 15j + -15j + -9j + -1(-20) = 4

Multiply -1 * -20
3j + 5j + 15j + -15j + -9j + 20 = 4

Reorder the terms:
20 + 3j + 5j + 15j + -15j + -9j = 4

Combine like terms: 3j + 5j = 8j
20 + 8j + 15j + -15j + -9j = 4

Combine like terms: 8j + 15j = 23j
20 + 23j + -15j + -9j = 4

Combine like terms: 23j + -15j = 8j
20 + 8j + -9j = 4

Combine like terms: 8j + -9j = -1j
20 + -1j = 4

Solving
20 + -1j = 4

Solving for variable 'j'.

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

Add '-20' to each side of the equation.
20 + -20 + -1j = 4 + -20

Combine like terms: 20 + -20 = 0
0 + -1j = 4 + -20
-1j = 4 + -20

Combine like terms: 4 + -20 = -16
-1j = -16

Divide each side by '-1'.
j = 16

Simplifying
j = 16

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