If we subtract 11 from the double of a number we get 15 then the number is ………………….
If we subtract 11 from the double of a number we get 15 then the number is ………………….
A) 18
B) 11
C)10
D) 13
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Correct option is (D) 13
Let the number be x.
\(\therefore\) 2x - 11 = 15
\(\Rightarrow\) 2x = 15 - (-11) = 15+11 = 26
\(\Rightarrow\) \(x=\frac{26}2=13.\)
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