Toán Lớp 6: 3x + 9 = 100 + 9
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Toán Lớp 6: 3x + 9 = 100 + 9
…………………
Comments ( 2 )
$⇒3x+9=109$
$⇒3x=100$
$⇒x=\dfrac{100}{3}$
Vậy $x=\dfrac{100}{3}$