6-4x=20-10x, 2+20=-10x+4x, x=26/-6
3 + x = 14. 14 is the final number and 3 is the first. X is telling us how many more people came after the first three.
Answer:

Step-by-step explanation:
Catherine walks her dog 3/4 a mile everyday.
We want to find how far she walks each week.
There are 7 days a week and she walks 3/4 a mile everyday so weekly she walks 3/4 * 7 = 5 1/4 mile a week.
Answer:
Is that from RSM??
Step-by-step explanation:
<span>F(X)=X^4/7 +27 ....... </span>