shay3187 shay3187
  • 09-12-2020
  • Mathematics
contestada

I need help solving this

I need help solving this class=

Respuesta :

mlarsen5000
mlarsen5000 mlarsen5000
  • 09-12-2020

Answer:

x=10

y=25

Step-by-step explanation:

3x-10+5x+30+6x+20=180

14x+40=180

14x=180-40

14x=140

x=10

9x-10=4y-20

9(10)-10=4y-20

90-10=4y-20

80=4y-20

80+20=4y

100=4y

25=y

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