Question

a) 2×+15=5 b) 6+3×=-54 c) 3×-1=×+9 d) 2(×-8)+4=-6 e) |2×+1|=54 f) -11+12×<-23 g) 4 (×+2)_>-8​

Answer 1

Explicație pas cu pas:

Answer 2

a) 2x+15=5

2x= 5-15

2x= -10

x= -5

b) 6+3x=-54

3x=-54 - 6

3x=-60

x=-20

c) 3x-1=x+9

3x-x= 9+1

2x=10

x=5

d) 2(x-8)+4=-6

2x-16 +4=-6

2x-12=-6

2x=-6+12

2x=6

x=3

e) |2x+1|=54

2x+1=54

2x+1=-54

53

x=-----

2

53

x= - -----

2

55 53

X1= - -----, X2 = ------

2 2

f) -11+12x<-23

12x< - 23+11

12x< - 12

x< -1