SOLUTION: Please help me solve this problem: The difference of nine times a number and 6 results in five times the difference of twice the number and 3.
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Question 1016629: Please help me solve this problem: The difference of nine times a number and 6 results in five times the difference of twice the number and 3.
Found 2 solutions by rothauserc, algebra hello:
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
let x be the number, then
9x -6 = 5(2x -3)
:
9x -6 = 10x -15
:
x = 9
:
to check substitute for x in the first equation
9(9) -6 = 5(2(9) -3)
:
81 -6 = 5(18 -3)
:
75 = 5(15)
:
75 = 75
answer checks
Answer by algebra hello(55) (Show Source): You can put this solution on YOUR website!
let the number is x then according to question
9x-6=5(2x-3)
9x-6=10x-15
9x-10x=-15 6
-x=-9
x=9
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