SOLUTION: x+9y=24 y=-1/3x+2 Must be done with substitution

Question 937260: x+9y=24
y=-1/3x+2
Must be done with substitution
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x+9y=24
y=-1/3x+2
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put the system of linear equations into standard form
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x + 9y = 24
-0.33333333x -y = -2
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = -3
y = 3
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now by substitution:
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y = (-1/3)x + 2
x + 9( (-1/3)x + 2 ) = 24
(3/3)x + (-9/3)x = 24 - 18
(-6/3)x = 6
x = 6*(-3/6)
x = -3
y = (-1/3)*(-3) + 2
y = 1 + 2
y = 3
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