Ex 1 (c,e) varog repede

Ex 1 Ce Varog Repede class=

Răspuns :

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Vezi imaginea CRISANEMANUEL
1 - x/5 = 0.5

1 - x/5 = 1/2

1 - 1/2 = x/5

1/2 = x/5

x = 1/2·5/1

x = 5/2


x/3 + 2 = 2/3

x + 6 = 2

x = -4