flindenstein11 flindenstein11

16-07-2019
Mathematics

contestada

Is X=-2 a solution of inequation
2x+1> X-3? why?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

16-07-2019

Answer:

-2 >-4

This is true, so it is a solution

Step-by-step explanation:

2x+1> x-3

Subtract x from each side

2x-x+1> x-x-3

x +1 > -3

Subtract 1 from each side

x+1-1 >-3-1

x > -4

x =-2 Substitute this into the inequality

-2 >-4

This is true, so it is a solution

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