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Alygaby2004
a fost răspuns

rezolvarea ecuatiei :
a)59x-208=49x=102
b)11(y-23)-121

Răspuns :

Gandac
b)
11(Y-23)-121=
11Y-253-121=
11Y=253+121
11Y=374
Y=374÷11
Y=34
verificare
11(34-23)-121=
11×11-121=
121-121=0
a)
59X-208=49X+102
59X-49X=102+208
10X=310
X=310÷10
X=31
verificare
59×31-208=49×31+102
1829-208=1519+102
1621=1621

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