Question

Solve by
by substitution
x-4y=1
2x-5y=5​

Answer 1

Answer:

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Answer 2

Answer:

x=1+4y

2(1+4y) -5y=5

2+8y-5y=5

2+3y=5

3y=5-2

3y=3

y=3/3

y=1

x=1+4(1)

x=1+4

x=5