Question

1- Determine os valores das variáveis:
a) x - 5
-----------
x - 4

b) a+ b
----------
1 - 3a

c) 2x
-------------
2 + 5x

d) a + b
----------
2 - 2b

Answer 1

a) x-4 = 0   >>>>>>X=4

 

b) 1- 3a = 0  >>>>>1 = 3a  >>>>   a = 1/3

 

c) 2+5x =0  >>>>> 5X = - 2 >>>>> X = - 2 / 5

 

 

d) 2 - 2b = 0 >>>> 2 = 2b    >>>>>   b = 2/2 >>>> b = 1