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Question

Convert the following statements in equation form:
(a) Five times a number x gives 20.
(b) Adding 7 to three times a number y gives 1.

A
(a) 5x = 20 ; (b) 3y + 7 = 1
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B
(a) x + 5 = 20 ; (b) 7y – 3 = 1
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C
(a) 5x = 20 ; (b) 7y + 3 = 1
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D
(a) x + 5 = 20 ; (b) 3y + 7 = 1
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Solution

The correct option is A (a) 5x = 20 ; (b) 3y + 7 = 1

5 times x can be written as 5x.
So, (a) becomes 5x = 20
Adding 7 to three times y can be written as: 3y + 7
So, (b) becomes 3y + 7 = 1


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