Question

tap hop gia tri x thoa man 5-2x=2

Answer 1

Trl :

5 - 2x = 2

2x = 5 - 2

2x = 3

x = 3/2

Vậy \(x\in\left\{\frac{3}{2}\right\}\)

Hok tốt

Answer 2

TH1

5 - 2x = 2

2x = 5 - 2

2x = 3

x = 3/2

Vậy x∈{3/2​}

Answer 3

TH2 x ∈ N

2x = 3

x ∈ Tap hop rong

Answer 4

Ta có: 5-2x=2

\(\Rightarrow\)2x=5-2

\(\Rightarrow\)2x=3

\(\Rightarrow\)x=\(\frac{3}{2}\)

Vậy x\(\in(\frac{3}{2})\)

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