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salut ajutatima sa rezolv o ecuatie in multimea R 2(x-1)+3(x+2)=5x+4

Răspuns :

2(x-1)+3(x+2)=5x+4
2x-2+3x+6=5x+4
2x+3x-5x=4-4
0x=0
deci x=0
2(x-1)+3(x+2)=5x+4
2x-2+3x+6=5x+4
5x+4=5x+4