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Substitution 2
(click a problem to attempt)
Find the value of 4x + 6y when x = 2 and y = 1
Find the value of 4x  2y when x = 5 and y = 5
Find the value of 3x + 7y when x = 3 and y = 1
Find the value of 8x  y when x = 3 and y = 9
Find the value of 9x  2y when x = 4 and y = 5
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