jillianwolffina jillianwolffina
  • 22-11-2019
  • Mathematics
contestada

Solve each system by substitution.
1) y = 7x - 10
y=-3​

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MS2001 MS2001
  • 22-11-2019
-3=7x-10. -7x=3-10. X=1. You can check the answer by plugging in the numbers.
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