3.1(9.2+6.4x)+x=59.78

Solution for 3.1(9.2+6.4x)+x=59.78 equation:

Simplifying
3.1(9.2 + 6.4x) + x = 59.78
(9.2 * 3.1 + 6.4x * 3.1) + x = 59.78
(28.52 + 19.84x) + x = 59.78

Combine like terms: 19.84x + x = 20.84x
28.52 + 20.84x = 59.78

Solving
28.52 + 20.84x = 59.78

Solving for variable 'x'.

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

Add '-28.52' to each side of the equation.
28.52 + -28.52 + 20.84x = 59.78 + -28.52

Combine like terms: 28.52 + -28.52 = 0.00
0.00 + 20.84x = 59.78 + -28.52
20.84x = 59.78 + -28.52

Combine like terms: 59.78 + -28.52 = 31.26
20.84x = 31.26

Divide each side by '20.84'.
x = 1.5

Simplifying
x = 1.5