Solve for the inequality x.
12x > 7(4x + 5) − 19

(show how you got your answer, plz)

x < - 1

Step-by-step explanation:

Given

12x > 7(4x + 5) - 19 ← distribute parenthesis and simplify right side

12x > 28x + 35 - 19

12x > 28x + 16 ( subtract 28x from both sides )

- 16x > 16

Divide both sides by - 16 , reversing the inequality symbol as a consequence of dividing by a negative quantity.

x < - 1

(23*2)-12=x     x=34

step-by-step explanation:

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional