Question

If 2x – 1 = 9, what is 10x – 5?

Answer 1

Answer:

45

Explanation:

2x-1=9

+1

2x=10

÷2

x=5

10(5)-5

50-5=45

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Answer 2

Answer:

45

Explanation:

First we find the value of x, i.e.

2x – 1 = 9,

=> 2x = 9 + 1

=> 2x = 10

$= > x = \frac{10}{2}$

=> x = 5

As we have got the value of x so now,

10x – 5

= (10 × 5) - 5

= 50 - 5

= 45 (Ans)