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Răspuns :

a) 59X-208=49X+102
    59X-49X=102+208
     10X=310
X=310÷10
X=31

b) 11(Y-23)=121
     11Y-253=121
      11Y=121+253
      11Y=374
       Y=374:11
       Y=34
a) 59x-49x=208+102
10x=310
x=31
b) 11y-253=121
11y=374
y=374:11
y=34