=(10j-7)-(-9j+2)

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Solution for =(10j-7)-(-9j+2) equation:


Simplifying
0 = (10j + -7) + -1(-9j + 2)

Reorder the terms:
0 = (-7 + 10j) + -1(-9j + 2)

Remove parenthesis around (-7 + 10j)
0 = -7 + 10j + -1(-9j + 2)

Reorder the terms:
0 = -7 + 10j + -1(2 + -9j)
0 = -7 + 10j + (2 * -1 + -9j * -1)
0 = -7 + 10j + (-2 + 9j)

Reorder the terms:
0 = -7 + -2 + 10j + 9j

Combine like terms: -7 + -2 = -9
0 = -9 + 10j + 9j

Combine like terms: 10j + 9j = 19j
0 = -9 + 19j

Solving
0 = -9 + 19j

Solving for variable 'j'.

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

Add '-19j' to each side of the equation.
0 + -19j = -9 + 19j + -19j
Remove the zero:
-19j = -9 + 19j + -19j

Combine like terms: 19j + -19j = 0
-19j = -9 + 0
-19j = -9

Divide each side by '-19'.
j = 0.4736842105

Simplifying
j = 0.4736842105

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