ZeroNakamura
ZeroNakamura ZeroNakamura
  • 02-05-2017
  • Mathematics
contestada

Solve this equation for a. 10a + 3 + 2a = 39

Respuesta :

Darkling
Darkling Darkling
  • 02-05-2017
10a+3+2a=39
12a+3=39
      -3   -3
12a=36
/12   /12
a=3
Answer Link
DarkBeauty
DarkBeauty DarkBeauty
  • 02-05-2017
10a+3+2a=39
First simplify
12a+3=39
Then subtract 3 from both sides
12a=36
Then divide both sides by 12
a=3
Answer Link

Otras preguntas

Which statement decribes megalithic architecture?
Help on 9???????????????plz
What is the concentration of hydroxide ions in a solution with a pH of 7.55? 2.82 × 10-8 3.55 × 10-7 9.36 × 10-3 4.17 × 10-11
There are 6 black scarves, 2 red scarves, and 2 white scarves in a drawer. In the dark, Angela pulls a scarf out of the drawer. What is the probability that she
The Gomes family is on a road trip. On the 1rst day they drove a distance shown as 3.5 inches on a map. the actual distance they drove was 245 miles. What is th
What ultimately happens to gatsby what happens to george wilson?
help me with section C
Mick paid $2.94 in sales tax on an item that cost $42.00 before tax. At that rate, how much would he pay in sales tax for an item that cost $58.00 befire tax? S
The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. if the length of pregnancy is in the lowest 4​%
find the perimeter note that the arc represents a semicircle . use 3.14