Toán Lớp 6: Bài 5: Tìm x biết :
a) 2×x – 3 = 11
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Toán Lớp 6: Bài 5: Tìm x biết :
a) 2×x – 3 = 11
Comments ( 2 )
a) 2.x-3 = 11
=> 2x = 11+3 = 14
=> x = 14:2
=> x = 7
Vậy x = 7
2 xx x – 3 = 11
=> 2 xx x = 11 + 3
=> 2 xx x = 14
=> x = 14 : 2
=> x = 7
$Vậy$ x = 7