Leledotomuch223 Leledotomuch223
  • 21-01-2021
  • Mathematics
contestada

I have two equations

a-2b=8 and 4a+3b=21 how can you solve one of these for a​

Respuesta :

manuparamo442009
manuparamo442009 manuparamo442009
  • 21-01-2021

Step-by-step explanation:

You could find a number that can be multiplied by 2 and a number for a that when you subtract from the number that you multiplied by 2 can give the result of 8.

Example:

a-2b=8: a=12-2•2=8

12-4=8

Answer Link

Otras preguntas

Read the passage. Then click on the answer to the question about purpose or tone. Please help
The manufacturer of an airport baggage scanning machine claims it can handle an average of 530 bags per hour. (a) At α=.05 in a left-tailed test, would a sample
Which of the Following is a valid reason why the quadrilateral Shown below is a parallelogram?
Select the correct answer. Which president started the Bull Moose Party? A. William Taft B. Theodore Roosevelt C. Woodrow Wilson D. Eugene Debs
Which of the following words best completes this analogy entertaining:Pangeat::festive:
Analyzing Appeals Which best describes how this passage appeals to the reader's emotions? The birds, for example - where had they gone? Many people spoke of the
Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 8)(0,8) and (3, 8000)(3,8000)
Which expressions are polynomials?Select each correct answer. 9x^2(y/5) 4x^2(y^5) 8x^2(3y) 3y^2(x^1/4)
What is the square root of 64
Jaycee Jeans sold 40 pairs of jeans at a price of $40. When it lowered its price to $20, the quantity sold increased to 60 pairs. Calculate the absolute value o