For the first one it’s b and I’m sorry but I’m not sure about the second
I think you are missing part of the problem. If you had another equation or a value for x you could solve it.
12x-27=2x+12
10x-27=12
10x=39
x=3.9
Answer:
I got x<equal to -11 or x>equal to4
Step-by-step explanation:
x^2+15x+44=0
(x+4)(x+11)=0(Factor left side of equation)
x+4=0 or x+11=0(Set factors equal to 0)
x=−4 or x=−11
Check intervals in between critical points. (Test values in the intervals to see if they work.)
x<−11(Works in original inequality)
−11<x<−4(Doesn't work in original inequality)
x>−4(Works in original inequality)
Answer:
x<−11 or x>−4
Answer:
step 3: he should have divided both sides by -7
