Answer :

stormiarmy

Answer:

x+ 1,-6

Step-by-step explanation:

Seperate into possible cases

6x+15= 21      

6x+15=-21

Solve the equation for x.

6x+15=21

     -15 -15

__________

6x=6

Divide both sides by 6

x= 1

6x+15= -21

    -15   -15

_________

6x= 36

Divide both side by 6

x= -6

Hope this helpsʕ•ᴥ•ʔ

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