a fost răspuns

1) [(x+3)*3+3]=102
2) (3*x+2):4-2=3
3) 5*x:2=2525
4) 5*a+4*b-3*c+33
5) 2*a+5*b+3*c
6) 3*a+5*b+2*c
7) a+8*b+*c

Răspuns :

1)(x+3)*3=102-3
x+3=99/3
x+3=33
x=30
2)(3x+2)/4=5
(3x+2)=20
3x=18
x=6
3)5x/2=2525
5x=2525*2
5x=5050
x=5050/5
x=1010

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