Twice a Number decreassed 7 gives
45. find the Number
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Answers
Answered by
3
Answer:
7 - 2x=45
2x= 45-7
2x=38
x=38÷2
x=19
Answered by
2
Step-by-step explanation:
Let the number be =X
Twice = 2x
When it is decreased by 7 we get
2x-7 = 45
2x = 45+7. ( Transposing 7 to RHS side So Sign are Changes negative to positive show)
2x = 52
X = 52/2
X = 26
Isliya X = 26
So the number is 26
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