a) x+89=115
x=115-89
x=26
b) 2*x+23=91
2x=91-23
2x=68
x=68:2
x=34
c) 327-3*x=15+48
327-3x=63
3x=327-63
3x=264
x=88
d)15+(x+2)+21=47
15+(x+2)=47-21
15+(x+2)=26
x+2=26-15
x+2=11
x=11-2
x=9
e) 2*x+37=79-14
2x+37=65
2x=65-37
2x=28
x=14
f) 32+(2x-5)=63+14
32+(2x-5)=77
2x-5=77-32
2x-5=45
2x=45+5
2x=50
x=25
Sper ca ti am fost de ajutor!
Apropo: Poti sa ai incredere in calcule , pt ca sunt facute pe calculator
