0.11x+0.04(840-x)=0.06(840)

Solution for 0.11x+0.04(840-x)=0.06(840) equation:

Simplifying
0.11x + 0.04(840 + -1x) = 0.06(840)
0.11x + (840 * 0.04 + -1x * 0.04) = 0.06(840)
0.11x + (33.6 + -0.04x) = 0.06(840)

Reorder the terms:
33.6 + 0.11x + -0.04x = 0.06(840)

Combine like terms: 0.11x + -0.04x = 0.07x
33.6 + 0.07x = 0.06(840)

Multiply 0.06 * 840
33.6 + 0.07x = 50.4

Solving
33.6 + 0.07x = 50.4

Solving for variable 'x'.

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

Add '-33.6' to each side of the equation.
33.6 + -33.6 + 0.07x = 50.4 + -33.6

Combine like terms: 33.6 + -33.6 = 0.0
0.0 + 0.07x = 50.4 + -33.6
0.07x = 50.4 + -33.6

Combine like terms: 50.4 + -33.6 = 16.8
0.07x = 16.8

Divide each side by '0.07'.
x = 240

Simplifying
x = 240