va rooog repede va rooog
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Răspuns:
2. a)5x-3=3x+11
5x-3x=11+3
2x=14 | :2
x=7
b) -2x+15=-3x+9
-2x+3x=9-15
-x=-6 | ×(-1)
c) 4x+13=3x+13
4x-3x=13-13
x=0
d) -43-17x=-9-16x
-17x+16x=-9+43
x=34
Explicație pas cu pas:
Sper ca te-am ajutat!