Toán Lớp 6: Tìm số nguyên x, biết: a, 2 – x = 17 – (-5) b, x – 12 = (-9) -15

a) 2 - x = 17 - (-5) => 2 - x = 17 + 5 = 22 => x = 2 - 22 = -20 b) x - 12 = (-9) - 15 => x - 12 = -24 => x = (-24) + 12 = -12 Bạn tham khảo

a)2-x=17-(-5) 2-x=22 x=22-2 x=20 b)x-12=-9-15 x-12=-24 x=-24+12 z=-12

Toán Lớp 6: Tìm số nguyên x, biết: a, 2 – x = 17 – (-5) b, x

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