x*3+x-1=0

Solution for x*3+x-1=0 equation:

Simplifying
x * 3 + x + -1 = 0

Reorder the terms for easier multiplication:
3x + x + -1 = 0

Reorder the terms:
-1 + 3x + x = 0

Combine like terms: 3x + x = 4x
-1 + 4x = 0

Solving
-1 + 4x = 0

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 + 4x = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 4x = 0 + 1
4x = 0 + 1

Combine like terms: 0 + 1 = 1
4x = 1

Divide each side by '4'.
x = 0.25

Simplifying
x = 0.25