x=(20-i)+(10-i)+i

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Solution for x=(20-i)+(10-i)+i equation: 


Simplifying
x = (20 + -1i) + (10 + -1i) + i

Remove parenthesis around (20 + -1i)
x = 20 + -1i + (10 + -1i) + i

Remove parenthesis around (10 + -1i)
x = 20 + -1i + 10 + -1i + i

Reorder the terms:
x = 20 + 10 + -1i + -1i + i

Combine like terms: 20 + 10 = 30
x = 30 + -1i + -1i + i

Combine like terms: -1i + -1i = -2i
x = 30 + -2i + i

Combine like terms: -2i + i = -1i
x = 30 + -1i

Solving
x = 30 + -1i

Solving for variable 'x'.

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

Simplifying
x = 30 + -1i

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