Algebra

Linear Equations

Finding Points on a Line

         

The point (12,k) (12, k) lies on the line y=2x+7 y = 2x + 7. What is the value of kk?

If P=(a,3)P=(a, 3) is a point on the line x+y11=0,x+y-11=0, what is the value of aa?

If the graph of y=7x20y=7x-20 passes through two points A=(1,p)A=(-1,p) and B=(q,14),B=(q,14), what is the value of p+28q?p+28q?

How many points are there on the line x+2y=9x+2y=9 such that the xx- and yy-coordinates are both non-negative integers?

If P=(5,a)P=(5, a) is a point on the line 3x+y22=0,3x+y-22=0, what is the value of aa?

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