Question

Зr + 2s = 24
Зr - 2s = 1 método de igualación​

Answer 1

Respuesta:

3r+2s=24

3r-2s=1

s=24-3r s=1-3r

--------- -------

2 2

24-3r 1-3r

-------- = -------

2 2

(2)(1-3r) = (2)(24-3r)

2-6r = 48-6r

-6r-6r = 2-48

-12r = -46

------ -----

-12 -12

r= 3.8

1-3(3.8)

s = ---------------

2

1-11.4

s= -----------

2

10.4

s= --------

2

s= 5.2