Multiply 5 by 9.8 to get the answer.
-4(2)+2
-8+2
-6
Hope it helps
Answer:
Step-by-step explanation:
you have to multiply
The answer is D, i.e. the system was solved via elimination
If you multiply the first equation by 5, the system becomes

If you sum the two equations, you get

And so if you substitute the second equation of system A with this new equation, you'll get system B.
Step-by-step explanation:
I think the answer is x=70