SOLUTION: my problem is:
the sum of 3 numbers is 123. the second number is 9 less than two times the first number. the third number is 6 more than three times the first number. find the thr
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-> SOLUTION: my problem is:
the sum of 3 numbers is 123. the second number is 9 less than two times the first number. the third number is 6 more than three times the first number. find the thr
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Question 343224: my problem is:
the sum of 3 numbers is 123. the second number is 9 less than two times the first number. the third number is 6 more than three times the first number. find the three number.
we are suppoed to make and equation and solve from there but i am not good at making an equations. i have tried to make many but none work.
thank you for helping me! Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website! Let the numbers be x, y, & z.
x+y+z=123
y=2x-9
z=3x+6
.
x+2x-9+3x+6=123
6x=126
.
x=21
y=33
z=69
.
Ed
