2(-5-7j)=10-4j

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Solution for 2(-5-7j)=10-4j equation:


Simplifying
2(-5 + -7j) = 10 + -4j
(-5 * 2 + -7j * 2) = 10 + -4j
(-10 + -14j) = 10 + -4j

Solving
-10 + -14j = 10 + -4j

Solving for variable 'j'.

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

Add '4j' to each side of the equation.
-10 + -14j + 4j = 10 + -4j + 4j

Combine like terms: -14j + 4j = -10j
-10 + -10j = 10 + -4j + 4j

Combine like terms: -4j + 4j = 0
-10 + -10j = 10 + 0
-10 + -10j = 10

Add '10' to each side of the equation.
-10 + 10 + -10j = 10 + 10

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

Combine like terms: 10 + 10 = 20
-10j = 20

Divide each side by '-10'.
j = -2

Simplifying
j = -2

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