3x=3x -3 which would equal infinite or no solution. Hope this helps !
Answer:

Step-by-step explanation:

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Their is this website that has any basically every calculator on it and it show work. It is called "calculator soup"
Answer:
y=3x-7
Step-by-step explanation:
lines are parallel hence gradient from the equation in question is the same as the gradient of the equation to be found.. comparing to y=mx+c, eq in question has grad 3... from the formula y-y1=m(x-x1) where (x1,y1) is equal to the point in question