Hi, 

solve

y^2+xy=2 

x+y/2=3/2   y = -2x + 3

substitute y into frrst eqation

(-2x + 3)^2   + x(-2x + 3) = 2

4x^2 - 12x + 9 -2x^2 + 3x = 2

2x^2 - 9x + 7 = 0







x = 1 Or

x = 14/4 = 7/2 = 3.5





 

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