12.1x+x-7.2=5.3

Solution for 12.1x+x-7.2=5.3 equation:

Simplifying
12.1x + x + -7.2 = 5.3

Reorder the terms:
-7.2 + 12.1x + x = 5.3

Combine like terms: 12.1x + x = 13.1x
-7.2 + 13.1x = 5.3

Solving
-7.2 + 13.1x = 5.3

Solving for variable 'x'.

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

Add '7.2' to each side of the equation.
-7.2 + 7.2 + 13.1x = 5.3 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + 13.1x = 5.3 + 7.2
13.1x = 5.3 + 7.2

Combine like terms: 5.3 + 7.2 = 12.5
13.1x = 12.5

Divide each side by '13.1'.
x = 0.9541984733

Simplifying
x = 0.9541984733