Estimate the value of x and y in liner equation, Mathematics

(a+2b)x + (2a- b)y = 2, (a - 2b)x + (2a +b)y = 3

(Ans: 5b - 2a/10ab , a + 10b/10ab )

Ans:

2ax + 4ay = y

, we get 4bx - 2by = -1

2ax+ 4ay = 5  4bx- 2by = - 1

Solve this, to get   y = 10b + a /10ab

Similarly, we can solve for x

 

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