801020-x=6345 y+178916=300480 z-96740=205370 ( 6000-u)-1980=3800 (12000+v)+38600=100000 33570+(w-983)=40318

801020 - x = 6345;

- х = 6345 - 801020;

- х = - 794675;

- х * (-1) = = - 794675 * (-1);

х = 794675;

801020 - 794675 = 6345;

6345 = 6345.

y + 178916 = 300480;

у = 300480 - 178916;

у = 121564;

121564 + 178916 = 300480;

300480 = 300480.

z - 96740 = 205370;

z = 205370 + 96740;

z = 302110;

302110 - 96740 = 205370;

205370 = 205370.

(6000 - u) - 1980 = 3800;

6000 - u = 3800 + 1980;

6000 - u = 5780;

- u = 5780 - 6000;

- u = - 220;

- u * (-1) = - 220 * (-1);

u = 220;

(6000 - 220) - 1980 = 3800;

5780 - 1980 = 3800;

3800 = 3800.

(12000 + v) + 38600 = 100000;

12000 + v = 100000 - 38600;

12000 + v = 61400;

v = 61400 - 12000;

v = 49400;

(12000 + 49400) + 38600 = 100000;

61400 + 38600 = 100000;

100000 = 100000.

33570 + (w - 983) = 40318;

w - 983 = 40318 - 33570;

w - 983 = 6748;

w = 6748 + 983;

w = 7731;

33570 + (7731 - 983) = 40318;

33570 + 6748 = 40318;

40318 = 40318.