plz ans my question
21-3 (x-7)=x +20
Answers
Answered by
1
Answer:
Firstly do that,
21-3 = 18 so write in place of 21-3 =18
then,
18 ( x -7 ) = x +20
18x - 126 = x +20
18x - x = 20+ 126
17x = 146
x = 146/17
x = 8.58
This is ur Answer.
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Answered by
0
Answer:
-9
Step-by-step explanation:
21-3×x-7=x+20
18×x-7=x+20
18-7×x=x+20
11×x=x+20
11-20=x/x
-9
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