Answer:
the answer should be 45.0
{ 9/2 , square root of 100, 5.123}
Step-by-step explanation:
Number - 47
difference means subtract
7(x-7)=-15
distribute
7x-49 =-15
add 49 to each side
7x =34
divide by 7
x = 34/7
x = 4 6/7
20
hope this helps