Question

If 3n + 7 = 25, then find the value of the expression 8n - 3

Answer 1

Answer:

45

Step-by-step explanation:

$3 n+ 7 = 25$

$3n = 25 - 7$

$n = \frac{18}{3} = 6$

Now,

$8n - 3 = 8 \times 6 - 3 = 45$

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Answer 2

Step-by-step explanation:

Given,

3n+7 = 25

3n = 25-7

3n = 18

n = 18/3

n = 6

then,

8n - 3 = 8×6 - 3

= 48 - 3

8n - 3 = 45