Which value of x makes the open sentence true? 10+2x< 15x−20

3

Step-by-step explanation:when we give a value to x we can simply see if ıt works out:

lets say x=2:

10+2.2<15.2-20= 14<10 this is wrong so this means x is not 2

lets say x=3

10+2.3<15.3-20=16<25 and this is true

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b. would be the answer : )

step-by-step explanation:

step 1: add -16x to both sides.

16x−4y+−16x=64+−16x  

−4y=−16x+64

step 2: divide both sides by -4.

−4y /-4 = -16x + 64/-4

answer:   y=4x−16

hope i'm right