(7c-3)[2]=

Solution for (7c-3)[2]= equation:

Simplifying
(7c + -3)[2] = 0

Reorder the terms:
(-3 + 7c)[2] = 0

Reorder the terms for easier multiplication:
2(-3 + 7c) = 0
(-3 * 2 + 7c * 2) = 0
(-6 + 14c) = 0

Solving
-6 + 14c = 0

Solving for variable 'c'.

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

Add '6' to each side of the equation.
-6 + 6 + 14c = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 14c = 0 + 6
14c = 0 + 6

Combine like terms: 0 + 6 = 6
14c = 6

Divide each side by '14'.
c = 0.4285714286

Simplifying
c = 0.4285714286