A(-12.3)=1+(-12.3-1)(-4.1)

Solution for A(-12.3)=1+(-12.3-1)(-4.1) equation:

Simplifying
A(-12.3) = 1 + (-12.3 + -1)(-4.1)

Reorder the terms for easier multiplication:
-12.3A = 1 + (-12.3 + -1)(-4.1)

Combine like terms: -12.3 + -1 = -13.3
-12.3A = 1 + (-13.3)(-4.1)

Multiply -13.3 * -4.1
-12.3A = 1 + 54.53

Combine like terms: 1 + 54.53 = 55.53
-12.3A = 55.53

Solving
-12.3A = 55.53

Solving for variable 'A'.

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

Divide each side by '-12.3'.
A = -4.514634146

Simplifying
A = -4.514634146