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Question

The solution of equation 5(x - 1) = 30 is:


A

5

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B

7

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C

4

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D

6

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Solution

The correct option is B

7


5(x - 1) = 30

5x - 5 = 30

Transposing -5 to RHS,

5x = 30 + 5

5x = 35

Dividing both the sides by 5,

X = 7


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