9=j-(-13)

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Solution for 9=j-(-13) equation:


Simplifying
9 = j + -1(-13)

Multiply -1 * -13
9 = j + 13

Reorder the terms:
9 = 13 + j

Solving
9 = 13 + 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.
9 + -1j = 13 + j + -1j

Combine like terms: j + -1j = 0
9 + -1j = 13 + 0
9 + -1j = 13

Add '-9' to each side of the equation.
9 + -9 + -1j = 13 + -9

Combine like terms: 9 + -9 = 0
0 + -1j = 13 + -9
-1j = 13 + -9

Combine like terms: 13 + -9 = 4
-1j = 4

Divide each side by '-1'.
j = -4

Simplifying
j = -4

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