October 2018 2 10 Report

Doprowadź wyrażenia do najprostszej postaci i oblicz ich wartości dla podanych zmiennych.

a) -( - 3x - 4) + (-2 + x + 3) =

Dla x= -3

b) ( - 4x +2) - ( - 3x - 1) - ( = 2 + x) =

dla x=-2

c) (2x - 3b) - (4a + 2b) - (-7a +4b) =

dla x=-3 i b= 1

d) (7a - 4b +3) = (5a - 3b +1) =

dla a=4,5 i b=-3,3


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