Question

2x+y=10
2x+y-9=2

WHat is X?

Answer 1

Step-by-step explanation:

2x+y=10.........[1]

2x+y-9=2

2x+y=2+9

2x+y=11........[2]

subtract equation [1] and [2]

2x+y=10

2x+y=11

________

-x=-1

* x = 1

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