3.1x-5=2.1x

Solution for 3.1x-5=2.1x equation:

Simplifying
3.1x + -5 = 2.1x

Reorder the terms:
-5 + 3.1x = 2.1x

Solving
-5 + 3.1x = 2.1x

Solving for variable 'x'.

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

Add '-2.1x' to each side of the equation.
-5 + 3.1x + -2.1x = 2.1x + -2.1x

Combine like terms: 3.1x + -2.1x = 1x
-5 + 1x = 2.1x + -2.1x

Combine like terms: 2.1x + -2.1x = 0.0
-5 + 1x = 0.0

Add '5' to each side of the equation.
-5 + 5 + 1x = 0.0 + 5

Combine like terms: -5 + 5 = 0
0 + 1x = 0.0 + 5
1x = 0.0 + 5

Combine like terms: 0.0 + 5 = 5
1x = 5

Divide each side by '1'.
x = 5

Simplifying
x = 5