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Twice a number when decreased by 7 gives 45 .. Find the number

Posted by Ishika Sisodia 6 years, 1 month ago

CBSE > Class 07 > Mathematics

2 answers

Jasmeen Kaur 6 years, 1 month ago

2x-7=45

0Thank You

Yogita Ingle 6 years, 1 month ago

Let a number be ' x '

Twice the number = 2x

According to the problem given,

Twice the number when decreased by 7 gives 45

=> 2x - 7 = 45

/* Add 7 both sides of the equation,we get

=> 2x = 45 + 7

=> 2x = 52

Divide both sides by 2, we get

=> x = 26

Therefore,

Required number = x = 26

1Thank You

ANSWER

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Posted by Shree Vanshika Reddy Reddy 6 months, 3 weeks ago

CBSE > Class 07 > Mathematics