artt7375 artt7375
  • 26-09-2019
  • Mathematics
contestada

The sum of two numbers are -17 and their difference is 41

Respuesta :

BJJuarez BJJuarez
  • 26-09-2019

Answer:

X = 12 Y = -29

Step-by-step explanation:

X+Y= -17

X-Y=41

Solve for y in first equation

Y=-17-x plug y into the 2nd equation

X-(-17-x)=41

X+17+x=41

2x=41-17

2x=24

X=12

Y=-17-(x)

Y=-17-12

Y=-29

X+Y=-17

12+-29=-17

X-Y=41

12- -29=41

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