Question

(1) 5x - 4y+8=0
7x+6y-9=0​

Answer 1

Answer:

x= 1.36 , y = 1.74

Step-by-step explanation:

by substitution method.

Hopefully this will help you!!!! : )

Answer 2

Step-by-step explanation:

7(5x-4y+8=0). = 35x-28y+56=0 (eq1)

5(7x+6y-9=0) = 35x+30y-45=0 (eq2)

from eq 1 and 2

2y+11=0

y=-11/2=-5.5

put value of y in eq 1

5x-4y+8=0

5x-4(5.5)+8=0

5x-22+8=0

5x-14=0

5x=14

x=14/5=2.8