October 2018 2 44 Report

Oblicz wartość liczbową wyrażenia algebraicznego po uproszczeniu.

a) 5ab + 3ab = a=7

4a b=-2

b) 2(a+b-1) - 3(a-b) = a=-1

3 b= 1/2

c) -3x(2-4x) + (-2x-7) - 1/2(x+8)= x= -3


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