.hello :
<span>2d−e=7....(1)
d+e=5.....(2)
(1)+(2) : 3d=12
d=4
subsct in (2) :
4+e=5
e=1
conclusion :
</span><span>The solution is (4, 1).</span><span>
</span>
Answer:36
Step-by-step explanation:
multiply by 2.
8x10
perimeter 2l+2w
16+20
36
Answer:
16
Step-by-step explanation: Plug in 7 for m, so 3(7)-5, which is 21 -5, which results in 16.
You need to up your points if you want anyone to answer.
A+B = 2X -2
A-B = 4X -8
Add the equations,
2A = 6X - 10
A = 3X - 5
Now, 3X - 5 + B = 2X - 2
B = 2X-3X - 2 + 5
B = 3 - X
Hope this helps!