3+7(10+3c)=

Solution for 3+7(10+3c)= equation:

Simplifying
3 + 7(10 + 3c) = 0
3 + (10 * 7 + 3c * 7) = 0
3 + (70 + 21c) = 0

Combine like terms: 3 + 70 = 73
73 + 21c = 0

Solving
73 + 21c = 0

Solving for variable 'c'.

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

Add '-73' to each side of the equation.
73 + -73 + 21c = 0 + -73

Combine like terms: 73 + -73 = 0
0 + 21c = 0 + -73
21c = 0 + -73

Combine like terms: 0 + -73 = -73
21c = -73

Divide each side by '21'.
c = -3.476190476

Simplifying
c = -3.476190476