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repede!dau coronița !

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Răspuns :

b) 5x- 11 = 114
5x = 114 + 11
5x=125=> x= 125/5=25
c)7,75 -15x = 7,25

-15x = -7,75 + 7,25
-15x = - 0,50
x = 0,50/15 = 0,0(3)