t667790 t667790

23-01-2021
Mathematics

contestada

given a-2b=8, 4a+3b= 21; prove b= -1

please give a step by step answer

Respuesta :

libbala5590 libbala5590

23-01-2021

hope this helps!

let me know if you have any questions

Ver imagen libbala5590

Answer Link

Otras preguntas

to have batting averages over 0.500, how may hits in 45 times at bat would Raul and Karen need?

how could a hypothesis that is proven to be false lead to new scientific investigation

Mecca was an important city for Arabs on the Arabian Peninsula before Islam because it was __________.

The Least Common Multiple of two numbers is 60, and one of the numbers is 7 less than the other number. What are the numbers? Justify your answer.

What is 60% as a fraction in simplest form

how could a hypothesis that is proven to be false lead to new scientific investigation

I have this question on the equation of a line, ABCD is a RECTANGLEA = (7,1) B= (3,4) C= (8, K)What is the value of K?Instead of telling me the answer could you

a commercial jet has been instructed to climb from its present altitude of 10,000 feet to a cruising altitude of 59,000 ft. if the plane ascends to a rate of 3,

How many twelfths are there in 2/3 of 3/4 more than 1/3 of 3/8 ? I know the answer already, please show how you do it .

solve for k:1/3k + 1/2 = 1/4k