th0master09
th0master09 th0master09
  • 03-05-2016
  • Mathematics
contestada

From the set {1, 3, 5}, use substitution to determine which value of x makes the equation true.
20 - 2x = 10
5
1
3
none of these

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 03-05-2016
{1,3,5}
ie, sub 1, 3 and 5 for x and see which one is true

20-2(1)=10
20-2=10
18=10
false

20-2(3)=10
20-6=10
14=10
false

20-2(5)=10
20-10=10
10=10

true

answer is 5
Answer Link

Otras preguntas

22.) -5n+3(6+7n) 23.) -2n-(9-10n) 24.) 10-5(9n-9)
A meal of a chicken sandwich and some pasta salad had 150 grams of carbohydrates. The pasta salad had 30 grams more than twice the grams of carbohydrates in the
Which mixed number is greater: 5 7/24 or 5 5/16? Why?
Angela can swim 1,700 meters in 40 minutes. What is Angela's unit rate
A car is driven 100 kilometers in the 1st week, 130 kilometers in the 2nd week, 160 kilometers in the 3rd week, and so on. What will be the total distance trave
find the real solutions of e^3t=100
how did Japan's feudal system impact society?
write 2,000,000,000 + 70,000,000 + 100,000 + 3,000 + 800 + 10 in standard form.
If a person earns $19,850 per year , estimate that persons hourly salary ..please give me details and how you rounded
true or false all whole numbers are integers