youngboymark123
21.10.2020 •
Mathematics
15x + 9 = 3(2x - 6) PLease Help me Ive benn stuck on this
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Ответ:
x= -3
Step-by-step explanation:
First let's work on the right side and use distributive property
15x+9= 3(2x-6)
15x+9= 6x-18
-9 -9
15x= 6x-27
-6x -6x
9x= -27
9x/9= -27/9
x= -3
Hope this helps!
Ответ:
You have to add all the cost of the family had which is $6.84+$4.88+$8.32+$4.98
2.they would get $13.73 back
I got it by the $25.02 from the last one and add with tax which was 5% so I then in total of $26.271 and since this is money I rounded it up to $26.27. After I got that I subtracted the $40 since they use 2 $20. $40-$26.27=$13.73
3. I think it would be the estimate of 0.60 per ounce
I got that by dividing the total cost and the all the ounces which I got the estimate of 0.60
4. I think they should order the larger steaks than the smaller steaks to share since it would be for one family.
I am sorry if one of them are wrong but I hope this could help you.