Răspuns :
6- 4x= -22
-4x= -22 - 6
-4x= -28
x= -28 : (-4)
x=7
2) 16 : (-x) +1 =7
16 : (-x) = 6
-x= 16: 6=
-x = 8 supra 3
x= minus 8 supra 3
27 : (-x) + 3= -6
37 : (-x)= -6-3
27: (-x)= -9
-x= 27: (-9)
-x=-3
x=3.
4x-6= 2x-14
4x-2x= -14+6
2x= -8
x= -8:2
x=-4
4(3x-2)= 8x- 28
12x-8=8x-28
12x-8x=-28+8
4x=-20
x= -5
-4x= -22 - 6
-4x= -28
x= -28 : (-4)
x=7
2) 16 : (-x) +1 =7
16 : (-x) = 6
-x= 16: 6=
-x = 8 supra 3
x= minus 8 supra 3
27 : (-x) + 3= -6
37 : (-x)= -6-3
27: (-x)= -9
-x= 27: (-9)
-x=-3
x=3.
4x-6= 2x-14
4x-2x= -14+6
2x= -8
x= -8:2
x=-4
4(3x-2)= 8x- 28
12x-8=8x-28
12x-8x=-28+8
4x=-20
x= -5
a) -4x=-22-6
-4x=-28
x=-28:-4
x= 7
b) 16:(-×)+1=-7=-16x+1=-7
-16x=-7-1
-16x=-8
x=2
-4x=-28
x=-28:-4
x= 7
b) 16:(-×)+1=-7=-16x+1=-7
-16x=-7-1
-16x=-8
x=2