Answer :

rollmanjd22

Answer:

x=7

Step-by-step explanation:

-10 added to both sides makes 3x=21

21/3 is 7


HENCE

X=7

Step by step explanation:

First add 10 to both sides:

3x-10=11+10

3x=21

Divide three by both sides to get x by itself:

3x/3=21/3

x=7

Answer: x=7


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