What is the solution of 3|x – 5| + 2 = 20? x = –1 or x = 11

x = –6 or x = 6

x = –11 or x = 1

x = –11 or x = 11

Answer

-1,11

step by step

when x =11

3|x-5|=20

3|11-5|+2=20

3|6|+2=20

18+2=20

20=20

when x=-1

3|-1-5|+2=20

3|-1-5|+2=20

3|-6|+2=20(the -6 became 6 due to | | sign)

3*6+2=20

18+2=20

20=20

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