Question

can anyone solve the second question
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Answer 1

Answer:

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Answer 2

Answer:

by elimination

(4x+5y=0) ×2 (1)

8x +10y=0 subtract 1 &2

8x-15y=5 (2)

- + -

____________

25y=-5

y= -1/5

put in 1

4x+(-1/5) =0

x= 1/4

by substitution

4x+5y=0 (1)

8x-15y=5 ( 2)

from 1

x =-5y/4

put in 2

8(-5y/4) -15y=5

-10y-15y=5

-25y=5

y=-5/25

y=-1/5

put in 1

x=-5/4×-1/5

x=1/4