Problem

41. Liam and Jackson both play basketball. Three times the sum of their jersey numbers is 90 . If Liam's number is 7 , what is Jackson's number?

Answer

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Answer

Solve for x: x = \( \frac{90 - 3(7)}{3} = 23 \)

Steps

Step 1 ：Let x be Jackson's jersey number. The equation is: 3(Liam's number + Jackson's number) = 90

Step 2 ：Replace Liam's number with 7: 3(7 + x) = 90

Step 3 ：Solve for x: x = \( \frac{90 - 3(7)}{3} = 23 \)

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