How do I do #12?
Please show all work.
Please help!
1 answer:
You have the ratio set up correctly:
2x+2/12 = x+3/21
Now cross multiply:
2x+2 * 12 = x+3 * 21
Simplify:
24x + 24 = 21x + 63
Subtract 24 from each side:
24x = 21x + 39
Subtract 21x from each side:
3x = 39
Divide both sides by 3:
x = 39/3
x = 13
You might be interested in
Answer:
20%
Step-by-step explanation:
20% of 50 is 10, and they spent 10 hours walking.
Answer:
6
Step-by-step explanation:
567 ca you take the digits and reverse them for there on thats tge answer
Answer:
4:1
Step-by-step explanation:
