Question 1016160
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x=the number
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The difference of nine times a number and 6: 9x-6
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Five times the difference of twice the number and 3: 5(2x-3)
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9x-6=5(2x-3)
9x-6=10x-15 . Subtract 9x from each side.
-6=x-15 . Add 15 to each side.
9=x
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ANSWER: x=9
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CHECK:

9x-6=5(2x-3)
9(9)-6=5(2(9)-3)
81-6=5(18-3)
75=5(15)
75=75
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