1.

Two times a number increased by 5 equals 9. Find the number.

Answer»

Let the number be x.

So, two times of the number = 2x

When, increased by 5, it gives the expression 2x + 5

∴ 2x + 5 = 9

⇒ 2x = 9 – 5 = 4

⇒ x = 4/2 = 2

Thus, x = 2 is the required number.



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