How to solve this -3x-5y=20 d: {-10,-5,0,5}

Well u add 5y  to both sides then u refine -3x=20d(-10,-5,0,5)+5y then u divide both sides by -3 -3x=20d(-10,-5,0,5 )+5y -3 refine  x=20d(-10,-5,0,5)+5y -3

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