20=j-(-4)

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Solution for 20=j-(-4) equation:


Simplifying
20 = j + -1(-4)

Multiply -1 * -4
20 = j + 4

Reorder the terms:
20 = 4 + j

Solving
20 = 4 + 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.
20 + -1j = 4 + j + -1j

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

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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