Question

x-6y=-12 and x+y=-3 by elimination method​

Answer 1

Answer:

Step-by-step explanation:

x-6y=-12  eq 1

x+y=-3 eq-2

now subtract

-7y=-9

y=9/7

put in 2 equation x+9/7=-3

x=-3-9/7

x=-30/7

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Answer 2

Step-by-step explanation:

x-6y + 12 = 0. ---(1)

(x+y + 3 = 0)-6

-6x -6y -18 = 0 -----(2)

Add (1) and (2)

L.H.S, x +(-6x) -6y +(6y) +12+(-18)

R.H.S, 0+0

-5x-6 = 0

x= -6/5

Now plot the value of x in any equation to find the value of y.

x - 6y + 12 = 0

(-6y) -6y +12 = 0

-12y = -12

y = 1

Therefore, x=-6/5 and y = 1