0.80x+0.60(10)=0.40(39)

Solution for 0.80x+0.60(10)=0.40(39) equation:

Simplifying
0.80x + 0.60(10) = 0.40(39)

Multiply 0.60 * 10
0.80x + 6 = 0.40(39)

Reorder the terms:
6 + 0.80x = 0.40(39)

Multiply 0.40 * 39
6 + 0.80x = 15.6

Solving
6 + 0.80x = 15.6

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 0.80x = 15.6 + -6

Combine like terms: 6 + -6 = 0
0 + 0.80x = 15.6 + -6
0.80x = 15.6 + -6

Combine like terms: 15.6 + -6 = 9.6
0.80x = 9.6

Divide each side by '0.80'.
x = 12

Simplifying
x = 12