Toán Lớp 6: Mn giúp em ạ
(-9).x+3=(-2).(-7)+6
em cảm ơn
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Toán Lớp 6: Mn giúp em ạ
(-9).x+3=(-2).(-7)+6
em cảm ơn
Comments ( 2 )
#nguyenhmyy
(-9).x+3=(-2).(-7)+6
<=> -9x + 3 = 14 + 6
<=> -9x = 20 – 3
<=> -9x = 17
<=> x=(-17)/9