U could easily do this on Photo-math- but here: 6(x−3)
4(x -2) +(y +5) = 0 . . . . . an equation
4x +y = 3 . . . . . . . . . . . . the equation in standard form
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A graph can be seen at
https://www.desmos.com/calculator/3ct9gfxclj
Y = 6 because - ( 1 ) + 7 = 6
A right triangle. Hope this helps.