3.6(6+1.5x)=3.78

Solution for 3.6(6+1.5x)=3.78 equation:

Simplifying
3.6(6 + 1.5x) = 3.78
(6 * 3.6 + 1.5x * 3.6) = 3.78
(21.6 + 5.4x) = 3.78

Solving
21.6 + 5.4x = 3.78

Solving for variable 'x'.

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

Add '-21.6' to each side of the equation.
21.6 + -21.6 + 5.4x = 3.78 + -21.6

Combine like terms: 21.6 + -21.6 = 0.0
0.0 + 5.4x = 3.78 + -21.6
5.4x = 3.78 + -21.6

Combine like terms: 3.78 + -21.6 = -17.82
5.4x = -17.82

Divide each side by '5.4'.
x = -3.3

Simplifying
x = -3.3