November 2018 1 21 Report

musze obliczyć te przykłady na podstawie tego

4(x-1)=x-

4x-4=-x-24

4x+x=4-24

5x=20:5

x=-4

a to zadania

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

2. -2x+(-3x+5)=4x-2(x+1)

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

a tu wyniki trzeba dopasować -1 ,-2 ,1 ,2


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