Question

100+200-x=300

Kb vs Mk nha

Answer 1

100 + 200 - x = 300

200 - x          = 300 - 100 

200 - x          = 200

        x          = 200 - 200 

        x          = 0

Answer 2

100 + 200 - x = 300

          300 - x = 300

                   x = 300 - 300

                   x = 0

Answer 3

\(\text{100 + 200 - x = 300}\)

\(\text{300 - x = 300}\)

             \(\text{ x = 300 - 300 }\)

              \(\text{x = 0 }\)

Answer 4

100+200-x=300

300-x=300

x=300-300

x=0

Answer 5

\(\Leftrightarrow\)300-x=300

\(\Leftrightarrow\)x=300-300

\(\Leftrightarrow\)x=0

Answer 6

<=>300-x=300

<=>x=300-300

<=>x=0

Vậy x=0