x-4y=5,3x+y=2 solve by elimination method
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Here,
we have x- 4y =5_______(1)
3x+ y =2________(2)
by elimination method,
firstly we need to find out the value of any one variable x or y........
so here, I finding the value of y
so we multiplying eq__(1) to 3
3x- 12y = 15________(3)
now we substract eq (1) to (3)
3x - 12y = 15
-3x - y = -2
__________
- 13y = -13
y = -13/ 13
y = -1
know we put the value of y in eq (1)
x- (-4) = 5
x+ 4 = 5
x = 5-4
x = 1
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