LANOELINA0
Answered

C: -2.x = 5
d: -3 + x = -9
g: 9-3x = 0
h: 4 + 2x = 10 - 4.x
k: 5.0 + 10 = 3x + 40 1:4 + 2x = 20 - 8x
n: 10x-5-3(2x + 5) = -20

Sagot :

C: x=5/(-2)=-2,5
D: x=(-9)+3=(-6)
G: -3x=-9; x=(-9)/(-3)=3
H: 2x+4x=10-4 ; 6x=6 ; x=6/6 ; x=1
K:?
N: 10x-8(2x+5)+20=0 ; 10x-16x-40+20=0 ; -6x=20 ; x=20/(-6)