Question

solve
the bollowing simultaneous enlatian
2x+y =8
x-2y=-1​

Answer 1

Answer:

x=3,y=2

Step-by-step explanation:

2x+y =8 ---A

x-2y =-1 ---B

2A+B

4x+2y = 16

x-2y =-1

----------------

5x+0 =15

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x=3

substitute x in A

6+y = 8

y=2