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Dau coronita !
19+2(x+3)=x+48


Răspuns :

TanyaT
19+2(x+3)=x+48 19+2x+6=x+48 2x-x=48-19-6 x=23
19+2(x+3)=x+48 19+2x+6=x+48 2x+25=x+48 2x-x=48-25 x=23