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rezolva prin metoda mersului invers (x+282-75):2=104

Răspuns :

(x+282-75):2=104
x+282-75=104×2
x+207=208
x=208-207
x=1
(x+282-75):2=104
x+282-75=104x2
x+282-75=208
x+282=208+75
x+282=283
x=283-282
x=1
1+282=283