Property 4047

Seven times the number minus 3 is as big as three times the same number minus 7. Which number has this property?

Correct answer:

x =  2.5

Step-by-step explanation:

7x-3 = 3x+7

7·x-3 = 3·x+7

4x = 10

x = 10/4 = 2.5

x = 5/2 = 2.5

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