EXERCISE 7B
Twice a number when decreased by 7 dves 45. Find the number
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Step-by-step explanation:
The number is 26
Equation is 2x-7=45
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Step-by-step explanation:
a number = x
twice a number = 2x
and decreased by 7 and gives 45.
2x -7 = 45
= 2x = 45+7
= 2x = 52
X= 52/2 , so X = 26
THE NUMBER IS 26
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