Математика 6 класс
Решите уравнения:
1) <span>х-2</span> + <span><span>х </span></span> = <span>5х-2</span> ;
6 2 9
2) <span>5+2х</span> = <span> х-3 </span> + <span>х+5 </span> ; 3 5 2
3) <span>3(х+1</span>) + <span>2(5-х)</span> = <span>16-13х</span> ;
8 3 12
4) <span>5(7-2х)</span> - <span>4х-2</span> = <span>х-19</span> ;
3 9 2<span></span>