Answer:
7+5x
Step-by-step explanation:
2+5
+5x
you need to add them to get 7 then just add the 5x
Answer:
1800 is the original cost
Step-by-step explanation:
cost + 11% cost = 1998
Factor out the cost
cost *( 1+11%) = 1998
cost ( 1.11) = 1998
Divide each side by 1.11
cost = 1998/1.11
cost =1800
The opposite way that the normal y=x would be!
