Asked by Taylor
solve using substitution:
4x+9y=24
y=1/3x+2
4x+9y=24
y=1/3x+2
Answers
Answered by
Reiny
sub the 2nd into the 1st
4x + 9((1/3)x+2) = 24
4x + 3x + 18 = 24
7x = 6
x = 6/7
then y = (1/3)(6/7) + 2 = 16/7
x = 6/7 , y = 16/7
4x + 9((1/3)x+2) = 24
4x + 3x + 18 = 24
7x = 6
x = 6/7
then y = (1/3)(6/7) + 2 = 16/7
x = 6/7 , y = 16/7
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