twice a number when decreased by 7 gives 45 . find the number .
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twice a number when decreased by 7 gives 45 . find the number .
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Answer:
according to the given equation
Step-by-step explanation:
let the number = x
so lets substitute the value given,
2x - 7 = 45
2x= 52
x=26
hence 26 is the required number
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26 IS THE ANSWER
EXPLANATION
Let the number be a
twice = 2a
the number decreased by 7
2a-7 = 45
2a = 45+7
2a = 52
a = 52/2
a = 26
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