Answer:
3
Step-by-step explanation:
5-2x=-1
(x is your number)
5-5=0
-1-5=-6
-2x=-6
-2x/-2=x
-6/-2=3
x=3
0.6
i hope this helps...
7.0?
49/7 would be 7, If the question was 7/49 the answer would be 0.14285714285 (a decimal)
I got 2x^3+3x^2-4x-12
I hope this helps a little bit