Hi there!
9 + 1/2 (7n - 26) - 8n
= 9 + 7n*1/2 - 26*1/2 - 8n
= 9 + 3.5n - 13 - 8n
= 9 - 13 + 3.5n - 8n
= -4 + 11.5n
Hope this helps!
let x =the number
Step-by-step explanation:
81+x=3x-39
group like terms
81+39=3x-x
120=2x
120/2=2x/2
60=x
therefore x =60
Answer:
b
Step-by-step explanation:
you can move the negative around
52\10= $5.20 so that is the right answer
Answer: $1.13
Step-by-step explanation:
Cost of 6 pack/6 bottles=cost of 1 bottle
6.78/6=1.13