Answer:
6.) -3.544
Step-by-step explanation:
6.2(x+3.5)-x =6.2x+21.7 -x =6.2x-x+21.7 =5.2x+21.7
-3(6-2x) =-18(+-)6x =-18-6x
5.2x +6x=-18-21.7
11.2x=-39.7
x=-39.7÷11.2
x=3.544
Possible rational roots: <span><span>±1,±2,±3,±4,±6,±12</span><span>±1,±2,±3,±4,±6,±12</span></span>
Actual rational roots: <span><span>1,−1,2,−2,−3</span></span>
<span><span>see attachments for all steps.</span></span>
62/3 is the answer
hope this helps! :)
3 times Mike's amount = 3h