Question

Rezolvati ecuatiile in multimea numerelor naturale
A). 9-2x=x+3
B). 3(x+2)-1=x+7
C). 4(2x+1)-(11-2•3)x=6

Answer 1

9-3=x+2x

6=3x

x=2

3x+6-1=x+7

2x=2

x=1

8x+4-11x+6x=6

14x-11x=6-2

3x=2

x=2/3