If we add 7 to twice a number- we get 49- Find the number- - Maths Q - A

Solve for the value of the required number.Let the number be x⇒ 2x + 7 = 49 0ex0ex⇒ 2x = 49 – 7 0ex0ex⇒ 2x = 42 0ex0ex⇒ x = 21Hence, the required number is 2 ...

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Standard VIII

Mathematics

Applications (Word Problem)

If we add 7 t...

Question

If we add $7$ to twice a number, we get $49$ . Find the number.

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Solution

Solve for the value of the required number.
Let the number be $x$
$\Rightarrow 2 x + 7 = 49 \Rightarrow 2 x = 49 - 7 \Rightarrow 2 x = 42 \Rightarrow x = 21$
Hence, the required number is $21$ .

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If we add7 to twice a number, we get49. Find the number.

Solve for the value of the required number.Let the number be x⇒2x+7=49⇒2x=49–7⇒2x=42⇒x=21Hence, the required number is 21.

If we add $7$ to twice a number, we get $49$ . Find the number.

Solve for the value of the required number.
Let the number be $x$
$\Rightarrow 2 x + 7 = 49 \Rightarrow 2 x = 49 - 7 \Rightarrow 2 x = 42 \Rightarrow x = 21$
Hence, the required number is $21$ .