7d+6=3(10+2d)

Solution for 7d+6=3(10+2d) equation:

Simplifying
7d + 6 = 3(10 + 2d)

Reorder the terms:
6 + 7d = 3(10 + 2d)
6 + 7d = (10 * 3 + 2d * 3)
6 + 7d = (30 + 6d)

Solving
6 + 7d = 30 + 6d

Solving for variable 'd'.

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

Add '-6d' to each side of the equation.
6 + 7d + -6d = 30 + 6d + -6d

Combine like terms: 7d + -6d = 1d
6 + 1d = 30 + 6d + -6d

Combine like terms: 6d + -6d = 0
6 + 1d = 30 + 0
6 + 1d = 30

Add '-6' to each side of the equation.
6 + -6 + 1d = 30 + -6

Combine like terms: 6 + -6 = 0
0 + 1d = 30 + -6
1d = 30 + -6

Combine like terms: 30 + -6 = 24
1d = 24

Divide each side by '1'.
d = 24

Simplifying
d = 24