.2(3+2x)+1.3x=3.1

Solution for .2(3+2x)+1.3x=3.1 equation:

Simplifying
0.2(3 + 2x) + 1.3x = 3.1
(3 * 0.2 + 2x * 0.2) + 1.3x = 3.1
(0.6 + 0.4x) + 1.3x = 3.1

Combine like terms: 0.4x + 1.3x = 1.7x
0.6 + 1.7x = 3.1

Solving
0.6 + 1.7x = 3.1

Solving for variable 'x'.

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

Add '-0.6' to each side of the equation.
0.6 + -0.6 + 1.7x = 3.1 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + 1.7x = 3.1 + -0.6
1.7x = 3.1 + -0.6

Combine like terms: 3.1 + -0.6 = 2.5
1.7x = 2.5

Divide each side by '1.7'.
x = 1.470588235

Simplifying
x = 1.470588235