anabellebrice10 anabellebrice10
  • 13-11-2020
  • Mathematics
contestada

What is the solution to the following system of equations?

y + x = 43

y − x = −12

Respuesta :

mhanifa
mhanifa mhanifa
  • 15-11-2020

Answer:

  • (27.5, 15.5)

Step-by-step explanation:

Given

  • y + x = 43
  • y − x = −12

Solution

Sum up the equations:

  • y + x + y - x = 43 - 12
  • 2y = 31
  • y = 31/2
  • y = 15.5
  • x = 43 - 15.5 = 27.5
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