SOLUTION: twice a number decreased by 7, gives 45. find the number

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Question 198113: twice a number decreased by 7, gives 45. find the number
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = number
.
2 x - 7 = 45
.
add 7 both sides
.
2x = 52
.
divide by 2 both sides
.
x = 26
.
check
.
2 (26) -7 = 45
.
52 -7 = 45 ,,,,ok