Answer:

Step-by-step explanation:
, substitute
to x
=
or 3.75
=
= 
Answer:
a=4 and b=-1
Step-by-step explanation:
2(4)+3(-1)= 5
Answer:
D brainliest?
Step-by-step explanation:
A proportion<span> is a name we give to a statement that two ratios are equal. It can be written in two ways: two equal fractions, or, using a colon, a:b = c:d.</span>
8n+3=5
8n=2
N=.25
The number is .25 or 1/4