(x+3)-(2x)=0

Solution for (x+3)-(2x)=0 equation:

Simplifying
(x + 3) + -1(2x) = 0

Reorder the terms:
(3 + x) + -1(2x) = 0

Remove parenthesis around (3 + x)
3 + x + -1(2x) = 0

Remove parenthesis around (2x)
3 + x + -1 * 2x = 0

Multiply -1 * 2
3 + x + -2x = 0

Combine like terms: x + -2x = -1x
3 + -1x = 0

Solving
3 + -1x = 0

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -1x = 0 + -3

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

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

Divide each side by '-1'.
x = 3

Simplifying
x = 3