Question

use the substitution method to solve
4x + 5y = 1
4x - y = -5​

Answer 1

Answer:

1)4x+5y=1

4x+5y-1=0

a=4

b=5

c=-1

2)4x-y=-5

4x-y+5=0

a=4

b=1

c=5

Step-by-step explanation:

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Answer 2

Answer:

y = - 265/165

Step-by-step explanation:

when u multiply 2 and 5 u will get :

8x - 10y = -2

25x + 10y = 60