tìm x a) $\frac{x+2}{6}$ =$\frac{-15}{2}$ b)$\frac{4}{5}$ +$\frac{5}{7}$ :x =$\frac{1}{6}$ 07/10/2021 Bởi Sarah tìm x a) $\frac{x+2}{6}$ =$\frac{-15}{2}$ b)$\frac{4}{5}$ +$\frac{5}{7}$ 😡 =$\frac{1}{6}$
a,x+2/6=-15/2 x+2/6=-45/6 =>x+2=-45 => x=-45-2 => x=-47 Vậy x=-47 b,4/5+5/7:x=1/6 5/7:x=1/6-4/5 5/7:x=-19/30 x=-19/30.5/7 x=-19/42 Vậy x=19/42 Bình luận
a,x+2/6=-15/2
x+2/6=-45/6
=>x+2=-45
=> x=-45-2
=> x=-47
Vậy x=-47
b,4/5+5/7:x=1/6
5/7:x=1/6-4/5
5/7:x=-19/30
x=-19/30.5/7
x=-19/42
Vậy x=19/42
Đáp án: Chúc bạn học tốt ????????????