6(2c-1)+3-7c=42

Solution for 6(2c-1)+3-7c=42 equation:

Simplifying
6(2c + -1) + 3 + -7c = 42

Reorder the terms:
6(-1 + 2c) + 3 + -7c = 42
(-1 * 6 + 2c * 6) + 3 + -7c = 42
(-6 + 12c) + 3 + -7c = 42

Reorder the terms:
-6 + 3 + 12c + -7c = 42

Combine like terms: -6 + 3 = -3
-3 + 12c + -7c = 42

Combine like terms: 12c + -7c = 5c
-3 + 5c = 42

Solving
-3 + 5c = 42

Solving for variable 'c'.

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

Add '3' to each side of the equation.
-3 + 3 + 5c = 42 + 3

Combine like terms: -3 + 3 = 0
0 + 5c = 42 + 3
5c = 42 + 3

Combine like terms: 42 + 3 = 45
5c = 45

Divide each side by '5'.
c = 9

Simplifying
c = 9