2.1a+3=2.1-2

Solution for 2.1a+3=2.1-2 equation:

Simplifying
2.1a + 3 = 2.1 + -2

Reorder the terms:
3 + 2.1a = 2.1 + -2

Combine like terms: 2.1 + -2 = 0.1
3 + 2.1a = 0.1

Solving
3 + 2.1a = 0.1

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 2.1a = 0.1 + -3

Combine like terms: 3 + -3 = 0
0 + 2.1a = 0.1 + -3
2.1a = 0.1 + -3

Combine like terms: 0.1 + -3 = -2.9
2.1a = -2.9

Divide each side by '2.1'.
a = -1.380952381

Simplifying
a = -1.380952381