3(c+4+3)=30

Solution for 3(c+4+3)=30 equation:

Simplifying
3(c + 4 + 3) = 30

Reorder the terms:
3(4 + 3 + c) = 30

Combine like terms: 4 + 3 = 7
3(7 + c) = 30
(7 * 3 + c * 3) = 30
(21 + 3c) = 30

Solving
21 + 3c = 30

Solving for variable 'c'.

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

Add '-21' to each side of the equation.
21 + -21 + 3c = 30 + -21

Combine like terms: 21 + -21 = 0
0 + 3c = 30 + -21
3c = 30 + -21

Combine like terms: 30 + -21 = 9
3c = 9

Divide each side by '3'.
c = 3

Simplifying
c = 3