Tìm x biết: 2x + 27 = -11
TÌM X BIẾT:
A.2x+27=-11 B.x:-3/5=-10/21 C.x/3-1/4=-5/6 D.x+3/15=1/3
E.x-12/4=1/2 F.2 7/9-12/13x=7/9 G.3x+26=6 H.x:4 1/3=-2,5 I.3/4x=1/2
TÌM X:
A.1/7=8/-x B.3x/9=2/6 C.4 2/5:(-33/10)+x=-1 5/6 D.45%.x-2 3/8=-1 31/40
E.(x-2 1/4):(-5/6)=3 F.-8:(4 1/5x+3/10)=4 4/9 G.4 2/3-(3/5:x)=-20% H.(13/10x-15).-5/14=3
I.1/3.(x+5/2)=-2 K.(5,5x-44):(-3/2)=30 L.11/14:(2x+5/7)=-11/18 M.(0,3+x).2 1/4=-2/5
N.0,25.x-27/8.x=3/4 O.7/8+4 1/2:x=-13/40 P.32%-0,25:x=-3 2/5
Làm gấp giúp mình nhé!