Question

a,x-3240-x-240=20

Answer 1

3240-x-240-x=20

(3240-240)-X=20

3000-X=20

x=3000-20

x=2980

Answer 2

<=> -x-x=20+240-3240

<=> -2x=-2980

<=> x=(-2980):(-2)

<=> x=1490

Answer 3

3240-x-240-x=20

=>3240-240-x-x=20

=>(3240-240)-(x+x)=20

=>3000-2x=20

=>2x=3000-20

=>2x=2980

=>x=2980:2

=>x=1490

 

Answer 4

X = 1904

 

 

Answer 5

Y + 1/3 chia 4/8 x y + y chia 4/14 = 318