20-[6b-(4a+2b)] simplified
Simplify each term.20+4a−4bReorder 20 and 4a.4a+20−4bMove 20.4a−4b+20
20 - (6b - (4a + 2b))20 - (6b + 2b) - 4a)20 - 8b - 4a-4a - 8b + 20