October 2018 1 21 Report

zadanie 1 rozwiąż równania :

a) 1,2x = 48 // 1,2

b) 1/3x = 3 // 1/3

c) -3/5x= -5 // (-3/5)

d) 3/4x = - 4/9 // 3/4

e) 0,1x = -7 // 0,1

zadanie 2 strona 176 matematyka z plusem rozwiąż równania :

a) -3x =2x - 10

b) 2x - 2 =7-x

c) 10 = 4-2x

d) -(2x - 1 ) = 4

e) 2( x +1 ) =x

f) 2t - (3t +1 ) =6

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

h) 3(y+6)- y = 2(y+9)

i) (x -7 ) - 2(3x+5)=3

Daje naj :)


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