1200-200-300=x

Solution for 1200-200-300=x equation:

Simplifying
1200 + -200 + -300 = x

Combine like terms: 1200 + -200 = 1000
1000 + -300 = x

Combine like terms: 1000 + -300 = 700
700 = x

Solving
700 = 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.
700 + -1x = x + -1x

Combine like terms: x + -1x = 0
700 + -1x = 0

Add '-700' to each side of the equation.
700 + -700 + -1x = 0 + -700

Combine like terms: 700 + -700 = 0
0 + -1x = 0 + -700
-1x = 0 + -700

Combine like terms: 0 + -700 = -700
-1x = -700

Divide each side by '-1'.
x = 700

Simplifying
x = 700