7(5j-3)-2(4j-9)=

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Solution for 7(5j-3)-2(4j-9)= equation:


Simplifying
7(5j + -3) + -2(4j + -9) = 0

Reorder the terms:
7(-3 + 5j) + -2(4j + -9) = 0
(-3 * 7 + 5j * 7) + -2(4j + -9) = 0
(-21 + 35j) + -2(4j + -9) = 0

Reorder the terms:
-21 + 35j + -2(-9 + 4j) = 0
-21 + 35j + (-9 * -2 + 4j * -2) = 0
-21 + 35j + (18 + -8j) = 0

Reorder the terms:
-21 + 18 + 35j + -8j = 0

Combine like terms: -21 + 18 = -3
-3 + 35j + -8j = 0

Combine like terms: 35j + -8j = 27j
-3 + 27j = 0

Solving
-3 + 27j = 0

Solving for variable 'j'.

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

Add '3' to each side of the equation.
-3 + 3 + 27j = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 27j = 0 + 3
27j = 0 + 3

Combine like terms: 0 + 3 = 3
27j = 3

Divide each side by '27'.
j = 0.1111111111

Simplifying
j = 0.1111111111

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