2.1a+3=2.1a-2

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

Simplifying
2.1a + 3 = 2.1a + -2

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

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

Add '-2.1a' to each side of the equation.
3 + 2.1a + -2.1a = -2 + 2.1a + -2.1a

Combine like terms: 2.1a + -2.1a = 0.0
3 + 0.0 = -2 + 2.1a + -2.1a
3 = -2 + 2.1a + -2.1a

Combine like terms: 2.1a + -2.1a = 0.0
3 = -2 + 0.0
3 = -2

Solving
3 = -2

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.