SOLUTION: if 90 is added to a number the result is 36 less than 3 times that number.What is the number
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Question 513641: if 90 is added to a number the result is 36 less than 3 times that number.What is the number
Answer by umail08(87) (Show Source): You can put this solution on YOUR website!
Let x = the number:
x + 90
90 is added to a number
3x
3 times that number
3x -36
36 less than 3 times that number
x + 90 = 3x 36
this is the equation
x 3x + 90 = 3x 3x 36
-2x + 90 = -36
-2x + 90 90 = -36 90
-2x = -126
-2x/-2 = -126/-2
x = 63
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