The solution set for a linear equation in two variables comprises an infinite number of ordered pairs, and these are defined by the equation that appears in the question!
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x=-2
8x - 7 = 15 + 19xsubtract 19x from both sidesadd seven to both sides8x -19x = 15 +7-11x = 22divide both sides by -11x = -2
19x
x^2-19x+90 (x-9) (x-10)
6x2+19x+10 = (2x+5)(3x+2) Length = 2x+5 Width = 3x+2