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Math 2 questions

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Use the substitution method to solve each linear system:

-x+3y+1=0
3x-y+1=0


4x-3y=-13
-2x+y=4

Please help, thanks:):)!!!!

  • Math 2 questions -

    In #1, substitute x=3y+1 into 2nd equation

    in #2, substitute y=2x+4 into the 1st equation

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