Question

Solve by substitution method:2x-5y=5,x-4y=1

Answer 1

Let
2x-5y=5 be eqn 1
x-4y=1 be eqn 2

from x-4y=1
》x=1+4y
subs in eqn 1
2 (1+4y)-5y=5
2+8y-5y-5=0
2+3y-5=0
3y-3=0
3y=3
y=1
y=1 subs in x=1+4y
x=1+4 (1)
x=5

Therefore X=5
Y=1


hope this helps you

Answer 2

Answer:

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