Question 214731
Using SUBSTITUTION, the following will solve the system of equations given as


{{{6x+2y=8}}}
{{{-3x+y=20}}}


*[invoke linear_substitution "x", "y", 6, 2, 8, -3, 1, 20]


Using SUBSTITUTION, the following will solve the system of equations given as


8x+3y=34
-5x+y=27


*[invoke linear_substitution "x", "y", 8,3,34,-5,1,27]


I hope the above steps were helpful. 


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And good luck in your studies!


Respectfully,
Dr J