Question

18,16.x+81,84.x=100

k to k lai

Answer 1

18,16.x+81,84=100

x.(18,16+81,84)=100

x.100                 =100

                         x=100:100

                         x=1

Answer 2

x.(18,16+81,84)=100

x.100=100

x=100:100

x=1

k mk mk k lại cho!

Answer 3

18,16.x+81,84.x=100

=>(18,16+81,84).x=100

=>100.x=100

=>x=100:100

=>x=1

Answer 4

18,16.x+81,84.x=100

=>(18,16+81,84).x=100

=>100.x=100

=>x=100:100

=>x=1

Answer 5

18,16.x+81,84.x=100

=>(18,16+81,84).x=100

=>100.x=100

=>x=100:100

=>x=1

Answer 6

\(\text{18,16 . x + 81,84 . x = 100 }\)

\(x=18,16+81,84\)

\(x=100\)

\(x=100:100\)

\(x=1\)

k nha

Answer 7

18,16 .x + 81,84 . x = 100

( 18,16 + 81,84 ) .x = 100

100 . x = 100

x = 100 : 100

x = 1