Consider the proposition 2x + 5 > 13
(a) is the condition x > 0 necessary, or sufficient, or both necessary and sufficient for the
inequality to be satisfied?
(b) Answer the same question when x 0x is replaced by x 50
(c) Answer the same question when x > 0 is replaced by x > 4.​

your answer is C

your answer is C

your answer is C

your answer is C

your answer is C

C

Step-by-step explanation:

2x+5=13

2x+5-5=13-5

2x=8

2x/2=8/2

X=4

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this

the answer would be c:   ax + b = ax + c

step-by-step explanation: