October 2018 1 15 Report

1. Powiedz, ile rozwiązań ma równanie. a) x+4=7

b) x do kwadratu=16

c) 2x do kwadratu= -9

d) 2x+7=11

2. Rozwiąż równanie.

a) x+5=10

b) 5x+13=23

c)2x+3=15

d) 3x+11=41

e) -x+2=8

f) -x+5= -2

g) -2x-7=11

h) -5x+3= -12

i) 3x+2=8

j) -2x+1= 5


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