0.4*6.5+0.6*x=5.5

Solution for 0.4*6.5+0.6*x=5.5 equation:

Simplifying
0.4 * 6.5 + 0.6x = 5.5

Multiply 0.4 * 6.5
2.6 + 0.6x = 5.5

Solving
2.6 + 0.6x = 5.5

Solving for variable 'x'.

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

Add '-2.6' to each side of the equation.
2.6 + -2.6 + 0.6x = 5.5 + -2.6

Combine like terms: 2.6 + -2.6 = 0.0
0.0 + 0.6x = 5.5 + -2.6
0.6x = 5.5 + -2.6

Combine like terms: 5.5 + -2.6 = 2.9
0.6x = 2.9

Divide each side by '0.6'.
x = 4.833333333

Simplifying
x = 4.833333333