the value of x in this expression 7(x-1) =21
Answers
Answered by
13
Solution
7(x-1) = 21
7 x-7=21
7x = 21 + 7
7x = 28
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Answered by
1
Answer:
x=4
Step-by-step explanation:
7(x-1)=21
7x-7=21
7x=21+7
x=28/7
x=4
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