danielxay danielxay

02-12-2018
Mathematics

contestada

How to solve 3x+12-6x<-9

Respuesta :

cfiffe07 cfiffe07

02-12-2018

Answer:

x > 7

Step-by-step explanation:

Group the common factors, which are 3x and -6x, so it looks like:

3x - 6x + 12 < -9

-3x + 12 < -9

Subtract 12 from both sides:

-3x < -21

Divide everything by -3 to get your answer. Don't forget when dividing by a negative number, you have to flip the sign:

x > 7

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