.3(d+3)=5

Solution for .3(d+3)=5 equation:

Simplifying
0.3(d + 3) = 5

Reorder the terms:
0.3(3 + d) = 5
(3 * 0.3 + d * 0.3) = 5
(0.9 + 0.3d) = 5

Solving
0.9 + 0.3d = 5

Solving for variable 'd'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + 0.3d = 5 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + 0.3d = 5 + -0.9
0.3d = 5 + -0.9

Combine like terms: 5 + -0.9 = 4.1
0.3d = 4.1

Divide each side by '0.3'.
d = 13.66666667

Simplifying
d = 13.66666667