2(-5-7j)+(3b-2)(-3)=

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Solution for 2(-5-7j)+(3b-2)(-3)= equation:


Simplifying
2(-5 + -7j) + (3b + -2)(-3) = 0
(-5 * 2 + -7j * 2) + (3b + -2)(-3) = 0
(-10 + -14j) + (3b + -2)(-3) = 0

Reorder the terms:
-10 + -14j + (-2 + 3b)(-3) = 0

Reorder the terms for easier multiplication:
-10 + -14j + -3(-2 + 3b) = 0
-10 + -14j + (-2 * -3 + 3b * -3) = 0
-10 + -14j + (6 + -9b) = 0

Reorder the terms:
-10 + 6 + -9b + -14j = 0

Combine like terms: -10 + 6 = -4
-4 + -9b + -14j = 0

Solving
-4 + -9b + -14j = 0

Solving for variable 'b'.

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

Add '4' to each side of the equation.
-4 + -9b + 4 + -14j = 0 + 4

Reorder the terms:
-4 + 4 + -9b + -14j = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -9b + -14j = 0 + 4
-9b + -14j = 0 + 4

Combine like terms: 0 + 4 = 4
-9b + -14j = 4

Add '14j' to each side of the equation.
-9b + -14j + 14j = 4 + 14j

Combine like terms: -14j + 14j = 0
-9b + 0 = 4 + 14j
-9b = 4 + 14j

Divide each side by '-9'.
b = -0.4444444444 + -1.555555556j

Simplifying
b = -0.4444444444 + -1.555555556j

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