<PRE><B>Question 1117186</B>
let x be the number of baskets Mark shot and y be the number of baskets Carmelo shot
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1) y = 2x
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2) x + y = 42
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subsitute for y in equation 2 by using equation 1
:
x +2x = 42
:
3x = 42
:
x = 14 and y = 28
:
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Mark shot 14 baskets and Carmelo shot 28 baskets
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