SOLUTION: use substitution to solve each system of equations. if the system does not have exactly one solution, state whether it has no solution or infinetly many solutions.
{{{y = 6x}}}
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Question 187749: use substitution to solve each system of equations. if the system does not have exactly one solution, state whether it has no solution or infinetly many solutions.
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Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
y = 6x
2x + 3y = -20
2x+3(6x)=-20
2x+18x=-20
20x=-20
x=-20/20
x=-1 ans.
y=6*-1
y=-6 ans.
Proof:
2*-1+3*-6=-20
-2-18=-20
-20=-20
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