3=x(100)+x(200)

Solution for 3=x(100)+x(200) equation:

Simplifying
3 = x(100) + x(200)

Reorder the terms for easier multiplication:
3 = 100x + x(200)

Reorder the terms for easier multiplication:
3 = 100x + 200x

Combine like terms: 100x + 200x = 300x
3 = 300x

Solving
3 = 300x

Solving for variable 'x'.

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

Add '-300x' to each side of the equation.
3 + -300x = 300x + -300x

Combine like terms: 300x + -300x = 0
3 + -300x = 0

Add '-3' to each side of the equation.
3 + -3 + -300x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -300x = 0 + -3
-300x = 0 + -3

Combine like terms: 0 + -3 = -3
-300x = -3

Divide each side by '-300'.
x = 0.01

Simplifying
x = 0.01