A+3b+(3a-b)I=b+bi

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Solution for A+3b+(3a-b)I=b+bi equation:


Simplifying
A + 3b + (3a + -1b) * I = b + bi

Reorder the terms for easier multiplication:
A + 3b + I(3a + -1b) = b + bi
A + 3b + (3a * I + -1b * I) = b + bi
A + 3b + (3aI + -1bI) = b + bi

Reorder the terms:
A + 3aI + 3b + -1bI = b + bi

Solving
A + 3aI + 3b + -1bI = b + bi

Solving for variable 'A'.

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

Add '-3aI' to each side of the equation.
A + 3aI + 3b + -3aI + -1bI = b + -3aI + bi

Reorder the terms:
A + 3aI + -3aI + 3b + -1bI = b + -3aI + bi

Combine like terms: 3aI + -3aI = 0
A + 0 + 3b + -1bI = b + -3aI + bi
A + 3b + -1bI = b + -3aI + bi

Reorder the terms:
A + 3b + -1bI = -3aI + b + bi

Add '-3b' to each side of the equation.
A + 3b + -3b + -1bI = -3aI + b + -3b + bi

Combine like terms: 3b + -3b = 0
A + 0 + -1bI = -3aI + b + -3b + bi
A + -1bI = -3aI + b + -3b + bi

Combine like terms: b + -3b = -2b
A + -1bI = -3aI + -2b + bi

Add 'bI' to each side of the equation.
A + -1bI + bI = -3aI + -2b + bI + bi

Combine like terms: -1bI + bI = 0
A + 0 = -3aI + -2b + bI + bi
A = -3aI + -2b + bI + bi

Simplifying
A = -3aI + -2b + bI + bi

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