What is the simplified numerical value of (a + 11b)/(a - b) if (4a + b)/(a - 2b) = 5?
Ok, so let's simplify the equation first.
4a + b = 5(a - 2b)
4a + b = 5a - 10b
-a = -9b
a = 9b
Plugging that in to the expression,
(9b + 11b)/(9b - b)
20b/8b
5/2
⚡⚡⚡
ShockFish
PS: There's a similar question out there: https://web2.0calc.com/questions/im-stuck_12