Answer:
21 mails
Step-by-step explanation:
Let there are x no of texts and y no of emails.
Condition 1,
x+y = 20 ...(1)
Condition,
x=2y-1 ...(2)
Put the value of x from equation (2) in (1). So,
(2y-1)+y = 20
Taking like terms together,
2y-y=20+1
y=21
So, Devin sent 21 mails,.
Answer:
ttgggggggryrqyyrqrurquwjtwtjatj
Answer:
6
Step-by-step explanation:
Answer:
C. One solution
Step-by-step explanation:
9z+10=1-15+3z
9z+10=-14+3z
6z+10=-14
6z=-24
z=-4
C. One solution
<span>2(5-4a)=-33
First, you need to distribute. Multiply the 2 by each number inside the parantheses.
(2*5) - (2*4a) = -33
10 - 8a = -33
Subtract 10 from both sides.
-8a = -43
Divide both sides by -8.
a = 43/8
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