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

(Electron transport chain and ATP synthase)Which of the four complexes pump protons out of the mitochondrial matrix?complexes I, II, and IVcomplexes I, II, and
2 4/5 x 1 1/12 can you reduce after you divide
What is the value of (j - k)(5)? j(x) = 6 + x; k(x) = x^2 - 1 (j - k)(5) =
Climate does not affect the rate in which weathering can occcur
Why was Lyndon Johnson an effective negotiator for expanded civil rights? He was a cunning and forceful leader. He had unprecedented connections with the Suprem
An account earns simple interest. $2000 at 3.5% for 4 years a. Find the interest earned. $280 b. Find the balance of the account. $
A croissant shop has plain croissants, cherry croissants, chocolate croissants,almond croissants,apple croissants, and broccoli croissants. How many ways are th
What is the perimeter of triangle ABC ?
This resume format focuses on the task or skills that an applicant can preform : A.chronological B.functional C.electronic D.scannable
30 is the geometric mean between 9 and what number? Show your calculations.