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a fost răspuns

rezolvati ecuatiile: 6(x+1)-10=29-3 5(x+3)=27+23 3x+3+2(x+5)=23 7x+3(x+2)=16

Răspuns :

6(x+1)-10=29-3
6(x+1)-10=26
6(x+1)=26+10
6(x+1)=36
x+1=36/6
x+1=6
x=6-1
x=5

5(x+3)=27+23
5(x+3)=50
x+3=50/5
x+3=5
x=5-3
x=2

3x+3+2(x+5)=23
3x+3+2x=23-5
3x+3+2x=18
5x+3=18
5x=18-3
5x=15
x=15/5
x=3





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