Trang chủ » Hỏi đáp » Môn Toán 1) a) x/7 + 1/2 = -13/14 b) -x/6 – 1/3 = 1/2 21/05/2023 1) a) x/7 + 1/2 = -13/14 b) -x/6 – 1/3 = 1/2
Lời giải: a)x/7+1/2=-13/14 =>x/7=-13/14-1/2 =>x/7=-10/7 =>x=-10/7 .7 =>x=-10 b)-x/6-1/3=1/2 =>-x/6=1/2+1/3 =>-x/6=5/6 =>-x=5/6.6 =>-x=5 =>x=-5 Trả lời
