Question

Solve the equation by substituion method

Answer 1

Answer:

Step-by-step explanation:

LET m=1/x+y

LET n=1/x-y

then the equation becomes

44m+30n=10

55m+40n=13

by solving this eq we get

m= 1/11

n= 1/5

then by again substituting the value of m=1/x+y and n=1/x-y we get two equations

x+y=11

x-y=5

by solving these two eqs we get the values of

x=8

y=3

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Answer 2

Answer:

Step-by-step explaination

Hope it helps you