Here u go, u replace x by the number
No puedo ayudar srry primo
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)
It’s b because 94 is negative so that means you have to subtract to get -70
