Answer:
Step-by-step explanation:
hello :
the system is : x+ y =4 ...(*)
2x - y = -1...(**)
add(*) and (**) : 3x=3 so : x=1
put this value into (*) : 1+y=4 so : y=3
one solution : (1 , 3)
Answer:
(x÷100)20
Step-by-step explanation:
x÷100 would be 1% so then to find 20% you would multiply by 20
Answer:
6.111111111111111111111111111111111111111111111111111 or 6.11 repeating
Step-by-step explanation:
Answer:
31 i think
155.3 divided by 5 is equal to 31
The right answer should be y=3x+2
