Question

[Chihiro]

(2.8x - 32) : 2/3 = 90

Giup minh voi minh giai nhieu cach roi ma khong ra

Answer 1

[Bạch Trúc]

(2,8x - 32) :2/3 = 90

2,8x-32= 90 * 2/3

2,8x-32 = 60

2,8x = 60 +32

2,8x =92

x= 92: 2,8

x=230/7

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Answer 2

[Pé Jin]

\(\left(2,8x-32\right):\frac{2}{3}=90\)

\(2,8x-32=90\cdot\frac{2}{3}=60\)

\(2,8x=60+32=92\)

\(x=\frac{92}{2,8}\approx32,9\)