(3000+x)-(x-300)=x

Solution for (3000+x)-(x-300)=x equation:

Simplifying
(3000 + x) + -1(x + -300) = x

Remove parenthesis around (3000 + x)
3000 + x + -1(x + -300) = x

Reorder the terms:
3000 + x + -1(-300 + x) = x
3000 + x + (-300 * -1 + x * -1) = x
3000 + x + (300 + -1x) = x

Reorder the terms:
3000 + 300 + x + -1x = x

Combine like terms: 3000 + 300 = 3300
3300 + x + -1x = x

Combine like terms: x + -1x = 0
3300 + 0 = x
3300 = x

Solving
3300 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3300 + -1x = x + -1x

Combine like terms: x + -1x = 0
3300 + -1x = 0

Add '-3300' to each side of the equation.
3300 + -3300 + -1x = 0 + -3300

Combine like terms: 3300 + -3300 = 0
0 + -1x = 0 + -3300
-1x = 0 + -3300

Combine like terms: 0 + -3300 = -3300
-1x = -3300

Divide each side by '-1'.
x = 3300

Simplifying
x = 3300