Question

# $$9$$ added to twice a number gives $$13$$. Find the number.

Solution

## Let $$x$$ be the number Therefore, two times of the number is $$2x$$On adding of $$9$$ we get $$2x+9$$$$2x+9=13$$$$\Rightarrow \ 2x=13-9=4$$ $$\Rightarrow \ x=\dfrac 42$$$$\Rightarrow \ x=2$$Therefore, the required number is $$2$$.Maths

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