You need to d to one side of the equation by itself and them use PEMDAS to solve your answer
Answer:
41
Step-by-step explanation:
Use the correct order of operations and do one step at a time to avoid making mistakes.





Answer:
x=3 and y=1
Step-by-step explanation:
subtract equation 2 from 1
then (2x+3y) -(2x+y) =9-7
2x-2x+3y-y =2
2y=2 therefore y=1
substitute y value in 2x+y=7
2x+1=7
2x=7-1
2x=6
x=3
Answer:8:24
Step-by-step explanation:
So since it is 1:3 and 2 dozen is 24 so 24 divided by 3 = 8 so now it’s 8:24
Answer:
the blue model
20 birds in all
Step-by-step explanation: