2(-2.1)+1=A

Solution for 2(-2.1)+1=A equation:

Simplifying
2(-2.1) + 1 = A

Multiply 2 * -2.1
-4.2 + 1 = A

Combine like terms: -4.2 + 1 = -3.2
-3.2 = A

Solving
-3.2 = A

Solving for variable 'A'.

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

Add '-1A' to each side of the equation.
-3.2 + -1A = A + -1A

Combine like terms: A + -1A = 0
-3.2 + -1A = 0

Add '3.2' to each side of the equation.
-3.2 + 3.2 + -1A = 0 + 3.2

Combine like terms: -3.2 + 3.2 = 0.0
0.0 + -1A = 0 + 3.2
-1A = 0 + 3.2

Combine like terms: 0 + 3.2 = 3.2
-1A = 3.2

Divide each side by '-1'.
A = -3.2

Simplifying
A = -3.2