\ if twice a number added to 3 is divided by the number plus 7 , the result is five thirds. find the number.
1 answer:
You might be interested in
Answer:
first answer is correct
Step-by-step explanation:
Hello, we want to write 2 + 4 + 6 + ... + 20
for n = 1, 2n = 2*1 =2
for n = 2, 2n = 2*2=4
for n = 3, 2n=2*3=6
etc
so
thanks