2(3x+1)+(x-1)=3

Solution for 2(3x+1)+(x-1)=3 equation:

Simplifying
2(3x + 1) + (x + -1) = 3

Reorder the terms:
2(1 + 3x) + (x + -1) = 3
(1 * 2 + 3x * 2) + (x + -1) = 3
(2 + 6x) + (x + -1) = 3

Reorder the terms:
2 + 6x + (-1 + x) = 3

Remove parenthesis around (-1 + x)
2 + 6x + -1 + x = 3

Reorder the terms:
2 + -1 + 6x + x = 3

Combine like terms: 2 + -1 = 1
1 + 6x + x = 3

Combine like terms: 6x + x = 7x
1 + 7x = 3

Solving
1 + 7x = 3

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 7x = 3 + -1

Combine like terms: 1 + -1 = 0
0 + 7x = 3 + -1
7x = 3 + -1

Combine like terms: 3 + -1 = 2
7x = 2

Divide each side by '7'.
x = 0.2857142857

Simplifying
x = 0.2857142857