Question

Solve x=2y, 3x+y-7=0

Answer 1

Answer:

The soln of eqn (x,y)=(2,1)

Step-by-step explanation:

The step by explanation is given in attachment

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Answer 2

Answer:

y=1

x=2

Step-by-step explanation:

x=2y

3(2y)+y-7=0

7y-7=0

therefore y=1

and x=2*1=1