x = a number
7 + 2x = 21
Subtract 7 from both sides
2x = 14
Divide both sides by 2
x = 7
7 is the only number that makes this sentence true.
Answer:
30-25%=22.5
Step-by-step explanation:
9.5 - 5.58 - 2.625 = x tons of glass
= 1.295 tons of glass
I'm almost positive that the answer is 60 miles an hour but if I'm wrong I'm sorry. I think it's 60 cause in 4 hours they drove 240 miles and 240 divided by 40 is 60
I believe it’s 12% because if you divide 300 by 2500 you will get 0.12 which decimals can be put as percentages.