andybiersack154
andybiersack154 andybiersack154
  • 01-02-2019
  • Mathematics
contestada

to start to solve the system of equations below, which number would you multiply in the equation -2x-5y=-1? The two equations are -2x-5y=-1 and 4x+2y=8

Respuesta :

ctyrector
ctyrector ctyrector
  • 01-02-2019

Answer:

You would multiply the x component by -2

Step-by-step explanation:

(-2) (-2x-5y)=-2(-1)

4x+10y=2

4x+2y=8

set both equal to 4x

4x=2-10y

4x=8-2y

2-10y=8-2y

-6=8y

y=-6/8

y=-3/4

4x + 2(-3/4) = 8

4x=38/4

x=38/16

x=19/8


Answer Link

Otras preguntas

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?
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?
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?
What are the advantages and disadvantages of globalization
how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
What are the advantages and disadvantages of globalization