Y = 2x-5 and Y = 2x plus 7 is a linear system which intersects at points (-2,2)
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2x + y = 7y = -2x + 7
your equation is this... 2x < y + 7 Now solve for y... 2x - 7 < y Since you have two variable the most you can get out of (y) is the graph and the y-intercept. the y-intercept is y > -7
(3, 1)
If you mean: y = 3x+5 and y = 2x-7 then x = -12 and y = -31
If: x = 7 Then: y = (2*7)+3 = 17 And: 5x+y = (5*7)+17 = 52