deja9 deja9
  • 02-12-2015
  • Mathematics
contestada

How you solve b-9+6b=30

Respuesta :

ImpatientAngel
ImpatientAngel ImpatientAngel
  • 02-12-2015
b - 9 + 6b = 30

b+ 6b - 9 = 30 

7b - 9 = 30

7b = 39

b = [tex] \frac{39}{7} [/tex]

Nice days...........
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 02-12-2015
associative property is moving a+b=b+a
add like terms
1b+6b-9=30
7b-9=30
add 9 to both sides
7b=39
divide both sides by 7
b=39/7
39/7=5 and 4/7
Answer Link

Otras preguntas

What is the diameter of this circle if the circumference is 30pi inches A.15 in B.30in C.45in D.60in
a flooring tile has a shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm.How many such tiles are required to cover a floor in 10
4. Which of these is NOT the same thing as a limited accesshighway (LAH)?A. freewayB. interstateC. expresswayD. byway​
What is Yasmeen's annual salary if her salary per fortnight is $1610?​
In August, Nancy's Clothing Store sold 266 shirts with the ratio of short sleeve to long sleeve being 4:10. How many short sleeve shirts were sold?
ONLY GODS CAN SOLVE For what values of a are the following expressions true? |a–5|=5–a |a|=−a |a+5| =−5−a |a+5| = a + 5
what is the value of s if 1/3 s + 14 = 26
2. How many moles of fluorine are required to produce 12.0 grams ofKrFo? Given the equation: Kr + 3 F2 → KrF​
A construction company needs to remove 4 1 6 tons of dirt from a construction site. They can remove 8 9 tons of dirt each hour. What is the total number of ho
(3 * 10 °) * (2 * 1017) - ? * 10 DONE