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1. 8(x-10)=8
2. 10(x-20)=0
3. 25x+36+23x+48
4. 37x-19+15x-19
5. 3,2(0,5+4x)=14,4
6. 4(3,9 + 0,5x)=20,8





Răspuns :

1-8.10=80
80:8=10
2-22-20-0=20
20:10=2
3-25x+36x+23x+48x=132x
4-37x-19x=18x
15+11=26x
26x+18x=44x