Answer:
Correct ? mellisa exercises for 20 minutes
Step-by-step explanation:
Multiply first equaton by -1 and add to first
-2x+y=7
<u>4x-y=-4 +</u>
2x+0y=3
2x=3
divide 2
x=3/2
sub
2x-y=-7
2(3/2)-y=-7
3-y=-7
minus 3
-y=-10
negative 1 times both sides
y=10
(3/2,10)
(1.5,10)
B is ansre
If you estimate, its around 5
Answer:
H = 15
Step-by-step explanation:
If you need an explnation, I can provide it if needed! Cheers!