20x + 15k is the answer we just have to remove the bracket and add the terms
hope it helps
Answer:
8/38
Step-by-step explanation:
You got it right, trust yourself
Answer:
-5
Step-by-step explanation:
because it is less than -4 when it is suppose to be more than-4
<u>x = 9</u>
Step-by-step explanation:
mean = 5+7+7+x /4 = 7
19+x / 4 = 7
19+x = 28
x = 9
