reconditevids reconditevids
  • 02-02-2021
  • Mathematics
contestada

Math 8th grade need help equation in picture

Math 8th grade need help equation in picture class=

Respuesta :

briannasmithcat
briannasmithcat briannasmithcat
  • 02-02-2021
Answer: (-3,-4)

Hope this helped!
Answer Link
thebecks
thebecks thebecks
  • 02-02-2021

Answer:

(-3,-4)

Step-by-step explanation:

x+y=-7

3x+2y=-17

x=-y-7

substitute

3(-y-7)+2y=-17

-3y-21+2y=-17

-y=4

y=-4

x=-3

Proof:

x+y=-7

(-3)+(-4)=-7    true

3x+2y=-17

3(-3)+2(-4)=-17

-9-8=-17        true

Answer Link

Otras preguntas

Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?
What are the advantages and disadvantages of globalization
What are the advantages and disadvantages of globalization
What are the advantages and disadvantages of globalization
how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?
Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?
how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
What are the advantages and disadvantages of globalization
Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?