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3,5 + 1 * 5/2x= - 16
3,5 + 5/2x = - 16
5/2x = - 16 - 3,5
2 i 1/2x = - 19,5
2 i 5/10x = - 19,5
2,5x= - 19,5
x= - 19,5 : 2,5
x= - 7,8
spr.
3,5 + 2 * 5/4x = - 16
L= 3,5 + 2 * 5/4x = 3,5 + 2 * 5/4 * (-7,8) = 3,5 + 2*1 i 1/4 * (-7,8) = 3,5 + 2* 1 i 25/100*(-7,8) = 3,5 + 2 * 1,25 * (-7,8) = 3,5 + (-19,5) = 3,5 - 19,5= - 16
P= - 16
-16 = - 16
L=P