First you would take one and move it over to the left side and never leave for why and then you divide by one which would leave for why and it would also have X equals 4Y and then you divide ask my Y and I will just leave you which is XY equals four
Answer:
It is c blah blah blah
Step-by-step explanation:
pls give brainliest blah blah blah
Answer:

Step-by-step explanation:
Divide both sides by 9 to isolate x:

Hope this helps!
Answer:
840
Step-by-step explanation:
(−30)(−7) − (210)(−3)
=210 − (210)(−3)
=210 − (−630)
=840
Hope this helps!
brainliest?
:)