Question

solve the following pair of liner equation by the substitution method:
x+y=5
x-3y=4​

Answer 1

Answer:

x= 5-y eqn=1

5-y-3y = 4

5-4y =4

-4y=-1

y=1/4

put y=1/4 in eqn 1

x=5-1/4 = 19/4

Answer 2

Answer:

x = 19/4, y=1/4

Step-by-step explanation:

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