Respuesta :

faith2004181818
1.x=-8
2.x=-2
3.x=1.6
4.r=-36
5.n=- 153/5
choixongdong
1. -5 =x+3
     x = -5 - 3
     x = -8

2. x-3=-5
    x = -5 +3
    x = -2

3. 6.4 = 4x
    x = 6.4 / 4
    x = 1.6

4. -9= r/4
     r = (-9)*4
     r = -36

5. -9= 5/17n
     n = (-9) (17/5)
     n = -30.6