anarosriguez5
anarosriguez5 anarosriguez5
  • 26-10-2020
  • Mathematics
contestada

y = -2x -7
2y -x = 1

Use substitution to determine the solution of the system of equations.

Respuesta :

angie0430 angie0430
  • 26-10-2020
2(-2x-7)-x= 1
-4x-14-x=1
-5x - 14 = 1
-5x = 15
x = -3
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