chandyprash chandyprash
  • 25-04-2020
  • Mathematics
contestada

If 2a=9−b and 4a=3b−12, what is the value of a?

Respuesta :

amna04352
amna04352 amna04352
  • 25-04-2020

Answer:

a = 1.5

Step-by-step explanation:

2a=9−b

b = 9 - 2a

4a=3b−12

4a = 3(9 - 2a) - 12

4a = 27 - 6a - 12

10a = 15

a = 1.5

Answer Link

Otras preguntas

Three adjectives that describe cavalry
For your college interview, you must wear a tie. You own 3 regular (boring) ties and 5 (cool) bow ties. 36 1. Counting (a) How many choices do you have for your
Given the two reactions H2S(aq)⇌HS−(aq)+H+(aq), K1 = 9.76×10−8, and HS−(aq)⇌S2−(aq)+H+(aq), K2 = 1.22×10−19, what is the equilibrium constant Kfinal for the fol
is the element nickel a compound
Which of these territories did the United States acquire as a result of the spanish-American war? A-the Dominican Republic B-panama C-the Philippines D-Hawai
Patti sells a painting that has a fair market value of $9,000 to James for $6,000. Which of the following statements about the tax effect of the sale is/are cor
A spring is used to launch a coffee mug. The 20cm long spring can be compressed by a maximum of 8cm. The mug has a mass of 350 g. What kind of spring do you nee
A credit score between 500 and 600 means a consumer would most likely
How do you factorize this equation : x2 +9x+20
are developing strategic plans to address plausible future situations like rise in the prices of cotton and synthetic fabrics by 20 percent, appreciation in the