I+3X+AX=B

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Solution for I+3X+AX=B equation:


Simplifying
I + 3X + AX = B

Reorder the terms:
AX + I + 3X = B

Solving
AX + I + 3X = B

Solving for variable 'A'.

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

Add '-1I' to each side of the equation.
AX + I + -1I + 3X = B + -1I

Combine like terms: I + -1I = 0
AX + 0 + 3X = B + -1I
AX + 3X = B + -1I

Add '-3X' to each side of the equation.
AX + 3X + -3X = B + -1I + -3X

Combine like terms: 3X + -3X = 0
AX + 0 = B + -1I + -3X
AX = B + -1I + -3X

Divide each side by 'X'.
A = BX-1 + -1IX-1 + -3

Simplifying
A = BX-1 + -1IX-1 + -3

Reorder the terms:
A = -3 + BX-1 + -1IX-1

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