Answer:-7x+2y=2
Step-by-step explanation:
(-2x+y=8)-(5x-y=6)
(-2x+y=8)> this side change since it’s negative
(-2x+y=8) - (-5x+y=-6)
-7x+2y=2
Hundredths = 7
rounded off = 8.07
Answer: it’s 70 years
Step-by-step explanation:
Answer:
5/7
Step-by-step explanation: