Question

Rezolvati in multimea q ecuatiile
3x=1 5x+6=7
2x=1o 4x+1=37
5x=1\2 2\3x+1\2=6
1\6x=7 7\5x+2=11\2
2\9x=3\2 26\3x+2\3=25\12
2x-7=11 3x-7=4

Answer 1

3x=1; x=1/3
5x+6=7; 5x=7-6; x=1/5
2x=10; x=10/2; x=5
4x+1=37; 4x=37-1;4x=36;x=36/4;x=9
5x=1\2 ; 10x=1; x=1/10;
2\3x+1\2=6; 3x+6=36; 3x=36-6; 3x=30; x=30/3; x=10
1\6x=7 ; x=6*7; x=42
7\5x+2=11\2; 14x+20=55; 14x=55-20; 14x=35; x=35/14; x=5/2
2\9x=3\2 ; 4x=27; x=27/4
26\3x+2\3=25\12; 104x+8=25; 104x=25-8; 104x=17; x=17/104; 
2x-7=11 ; 2x=11+7; 2x=18; x=18/2; x=9
3x-7=4 ; 3x=4+7; 3x=11; x=11/3