Question

Câu 2 tìm x , biết 

a) x-74=188

b) 2.x=20:10

Answer 1

a.x=262

b.x=1

Answer 2

a) x - 74=188

⇒x=262

b) 2x=20:10

⇒2x=2

⇒x=1

Answer 3

a) x - 74 = 188

x = 188 + 74

x = 262

b) 2 . x = 20 : 10

 2 . x = 2

x = 2 : 2

x = 1

Answer 4

a)

\(\text{x-74=188}\)

    \(\text{x}=188+74\)

    \(\text{x}=262\)

b)

\(\text{2.x=20:10}\)

\(\text{2.x=2}\)

  \(\text{x}=2:2\)

  \(\text{x}=1\)