3)7-5
is the zero of 7x-5. Is it True/False?
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Answer:
To check weather a number is a zero of a number, substitute the value 7/5 in terms of x and check weather you are getting the answer as 0 when you solve it.
Step-by-step explanation:
7 x 7/5 - 5
= 49 / 5 - 5
Making denominators same
49 / 5 - (5 / 1 x 5 / 5)
= 49 / 5 - 25 / 5
= 16/5 which is not equal to 0.
Therefore, 7/5 is not the zero of 7x-5
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