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Olivia123mare567
a fost răspuns

rezolvati ecuatia 7(x+1)= 2(2x+4)+x+3

Răspuns :

Delia602
7x+7=4x+8+x+3
7x+7=5x+11
2x=4
x=2
ProGamer7
7(x+1)=2(2x+4)+x+3
7x+7=4x+8+x+3
7x+7=5x+11
7x-5x=11-7
2x=4
x=4:2
x=2

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