Question

3. Verify by substitution that
the root of 3x - 5 = 7 is x = 4
​

Answer 1

Answer:

Hence, x = 4 is the root of 3x – 5 = 7. (ii) Given x = 3 is the root of 5 + 3x = 14.

Answer 2

Answer:

$3 \times 4 - 5 = 7 \\ 12 - 5 = 7 \\ 7 = 7$

It is verified

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