a) 3/4x(kwadratowych 2) +5x-1/2= x=3.5
b) 2/3xy-2x + 5y= x= -3 y= 1/2
a) 3/4x^2 + 5x -1/2 = x=3.5
b) 2/3xy - 2x + 5y = x= -3 y= 1/2
a) 3/4*3,5^2 + 5*3,5 -1/2 = 3/4*12 1/4 + 17 1/2 - 1/2 = 3/4*49/4 + 17 1/2 - 1/2 = 147/16 + 17 = 9 3/16 + 17 = 26 3/16
b) 2/3*(-3)*1/2 - 2*(-3) + 5*1/2 = -2*1/2 + 6 + 2 1/2 = -1 + 6 + 2 1/2 = -1 + 8 1/2 = 7 1/2 ;)
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a) 3/4x^2 + 5x -1/2 = x=3.5
b) 2/3xy - 2x + 5y = x= -3 y= 1/2
a) 3/4*3,5^2 + 5*3,5 -1/2 = 3/4*12 1/4 + 17 1/2 - 1/2 = 3/4*49/4 + 17 1/2 - 1/2 = 147/16 + 17 = 9 3/16 + 17 = 26 3/16
b) 2/3*(-3)*1/2 - 2*(-3) + 5*1/2 = -2*1/2 + 6 + 2 1/2 = -1 + 6 + 2 1/2 = -1 + 8 1/2 = 7 1/2 ;)