12)(24+x)+37=49 11)(x-326)+24=12010)(38+y)-18=319)(x+26)-29=198)5y+2y=1197)3x+8x=136)27t+36t=3825)18m-5=5534)27a+36a-18a=3643)34x+18x=43162)5x+23=381)5x+3x-13=11

(24 + x) + 37 = 49;

х + 61= 49;

х = 49 - 61;

х = - 12;

(24 - 12) + 37 = 49;

49 = 49;

(x - 326) + 24 = 120;

х - 302 = 120;

х = 120 + 302;

х = 422;

(422 - 326) + 24 = 120;

120 = 120;

(38 + y) - 18 = 31;

у + 20 = 31;

у = 31 - 20;

у = 11;

(38 + 11) - 18 = 31;

31 = 31;

(x + 26) - 29 = 19;

х - 3 = 19;

х = 19 + 3;

х = 22;

(22 + 26) - 29 = 19;

19 = 19;

5y + 2y = 119;

7у = 119;

у = 119 : 7;

у = 17;

17 * 5 + 2 * 17 = 119;

119 = 119;

3x + 8x = 13;

11х = 13;

х = 13 : 11;

х = 1,181818181818182;

3 * 1,181818181818182 + 8 * 1,181818181818182 = 13;

13 = 13;

27t + 36t = 382;

63t = 382;

t = 382 : 63;

t = 6,063492063492063;

27 * 6,063492063492063 + 36 * 6,063492063492063 = 382;

382 = 382;

18m - 5 = 553;

18m = 553 + 5;

18m = 558;

m = 558 : 18;

m = 31;

31 * 18 - 5 = 553;

553 = 553;

27a + 36a - 18a = 364;

45а = 364;

а = 364 : 45;

а = 8,088888888888889;

27 *  8,088888888888889 + 36 *  8,088888888888889 - 18 * 8,088888888888889 = 364;

218,4 + 291,2 - 145,6 = 364;

364 = 364;

34x + 18x = 4316;

52х = 4316;

х = 4316 : 52;

х = 83;

34 * 83 + 18 * 83 = 4316;

4316 = 4316;

5x + 23 = 38;

5х = 38 - 23;

5х = 15;

х = 15 : 5;

х = 3;

5 * 3 + 23 = 38;

38 = 38;

5x + 3x - 13 = 11;

8х  = 11 + 13;

8х = 24;

х = 24 : 8;

х = 3;

5 * 3 + 3 * 3 - 13 = 11;

11 = 11.