exam Maths Puzzle Numerical Ability

solve by graphing linear inequalities
3x-y<2
x+y>2

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exam Other Question

I have the following problem; Which of the ordered pairs (3,1), (0, -4), (-4,0),(-3,-7) are solutions to the equation x-y=4? My answer is (0,-4) and (-3,-7), is this correct? find the distance between the lines with the following equations

3x-y+4=0 and

3x-y=0