Question

solve it by substitution method ​

Answer 1

Answer:

ax+by=b+a.....1

ax=b+a-by

putting ax=b+a-by in equation 2 we get....

(b+a-by)-by=a-b. (from eq 2)

b+a-by-by=a-b

b-2by+b=0

2b-2by=0

now solve

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