angie6071 angie6071
  • 17-01-2024
  • Mathematics
contestada

2x-y=39
-6y=x

This is Substitution, please explain it with steps and the correct way to do it and get the right answer

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Solve each questions by taking square roots 1.k²=76 2.k²=16 3.x²=21 4.a²=40 5.x²+8=28 6.2n²=-144 7.-6m²=-414 8.7x²=-21 9.m²+7=88 10.-5x²=-500 11.-7n²=-448 12.-