student901 student901
  • 02-12-2020
  • Mathematics
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PLSSSS SOMEONE HELP MEEE IM STUCK the question is below

PLSSSS SOMEONE HELP MEEE IM STUCK the question is below class=

Respuesta :

s1m1
s1m1 s1m1
  • 02-12-2020

Answer:

x=8, y=73/3

Step-by-step explanation:

they ask to solve by substitution so from second equation find y

4x-3y= -41 isolate y

4x+41 = 3y divide both sides by 3

(4x+41)/3= y substitute this y in the first equation

5x+2y = -34

5x+2(4x+41)/3 = -34 distribute and find the common denominator

3*5x+(8x+82)/3 = -34

15x+8x+82=-34*3 cross multiply

23x = -102-82

x=-184/23=8

y=(4*8+41)/3=73/3 is about 24.333..

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