emilyher2121
emilyher2121 emilyher2121
  • 28-02-2018
  • Mathematics
contestada

Solve the system.

y = -5x + 1
5x + 2y = 7
Using the substitution method

Answer( , )

Respuesta :

springert447
springert447 springert447
  • 28-02-2018
(-1,6) is the answer 
please mark as brainliest
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syedalihassan03 syedalihassan03
  • 28-02-2018
y=-5x+1       ->1
5x+2y=7        -->2

put eq 1 into eq 2
5x +2(5x+1)=7
5x+10x+5=7
15x+5=7
15x=2
x=2/15 -->3
from eq 1
y=5x+1
put eq 3 in it
y=5*(2/15)+1
y=5/3




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