7cb+8bc-2-6cb+8-4bc=

Solution for 7cb+8bc-2-6cb+8-4bc= equation:

Simplifying
7cb + 8bc + -2 + -6cb + 8 + -4bc = 0

Reorder the terms:
-2 + 8 + 7bc + 8bc + -6bc + -4bc = 0

Combine like terms: -2 + 8 = 6
6 + 7bc + 8bc + -6bc + -4bc = 0

Combine like terms: 7bc + 8bc = 15bc
6 + 15bc + -6bc + -4bc = 0

Combine like terms: 15bc + -6bc = 9bc
6 + 9bc + -4bc = 0

Combine like terms: 9bc + -4bc = 5bc
6 + 5bc = 0

Solving
6 + 5bc = 0

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + 5bc = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 5bc = 0 + -6
5bc = 0 + -6

Combine like terms: 0 + -6 = -6
5bc = -6

Divide each side by '5c'.
b = -1.2c-1

Simplifying
b = -1.2c-1