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
Answer:
Explanation:
-10 added to both sides makes 3x=21
21/3 is 7
HENCE
X=7
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