-20-17=3(-7c-2)

Solution for -20-17=3(-7c-2) equation:

Simplifying
-20 + -17 = 3(-7c + -2)

Combine like terms: -20 + -17 = -37
-37 = 3(-7c + -2)

Reorder the terms:
-37 = 3(-2 + -7c)
-37 = (-2 * 3 + -7c * 3)
-37 = (-6 + -21c)

Solving
-37 = -6 + -21c

Solving for variable 'c'.

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

Add '21c' to each side of the equation.
-37 + 21c = -6 + -21c + 21c

Combine like terms: -21c + 21c = 0
-37 + 21c = -6 + 0
-37 + 21c = -6

Add '37' to each side of the equation.
-37 + 37 + 21c = -6 + 37

Combine like terms: -37 + 37 = 0
0 + 21c = -6 + 37
21c = -6 + 37

Combine like terms: -6 + 37 = 31
21c = 31

Divide each side by '21'.
c = 1.476190476

Simplifying
c = 1.476190476