372. Решите уравнение: a) x + 37 = 85; б) 156 + y = 218; в) 85 - z = 36; г) m - 94 = 18; д) 2041 - n = 786; e) p-7698 = 2302. 376. Решите уравнение и выполните проверку: a) (x + 15) - 8 = 17; б) (24 + x) - 21 = 10; в) (45 - у) + 18 = 58; г) (у - 35) + 12 = 32; д) 56 - (х + 12) = 24; e) 55 - (x - 15) = 30. 487. Решите уравнение: a) (x - 12) * 8 = 56; б) 24 * (z + 9) = 288; в) (у + 25): 8 = 16; г) 124 : (у - 5) = 31; д) 38х + 15 = 91; e) 44: z + 9 = 20.

372. Решите уравнение: a) $$x + 37 = 85$$ $$x = 85 - 37$$ $$x = 48$$ б) $$156 + y = 218$$ $$y = 218 - 156$$ $$y = 62$$ в) $$85 - z = 36$$ $$z = 85 - 36$$ $$z = 49$$ г) $$m - 94 = 18$$ $$m = 18 + 94$$ $$m = 112$$ д) $$2041 - n = 786$$ $$n = 2041 - 786$$ $$n = 1255$$ e) $$p - 7698 = 2302$$ $$p = 2302 + 7698$$ $$p = 10000$$ 376. Решите уравнение и выполните проверку: a) $$(x + 15) - 8 = 17$$ $$x + 15 = 17 + 8$$ $$x + 15 = 25$$ $$x = 25 - 15$$ $$x = 10$$ Проверка: $$(10 + 15) - 8 = 17$$ $$25 - 8 = 17$$ $$17 = 17$$ б) $$(24 + x) - 21 = 10$$ $$24 + x = 10 + 21$$ $$24 + x = 31$$ $$x = 31 - 24$$ $$x = 7$$ Проверка: $$(24 + 7) - 21 = 10$$ $$31 - 21 = 10$$ $$10 = 10$$ в) $$(45 - y) + 18 = 58$$ $$45 - y = 58 - 18$$ $$45 - y = 40$$ $$y = 45 - 40$$ $$y = 5$$ Проверка: $$(45 - 5) + 18 = 58$$ $$40 + 18 = 58$$ $$58 = 58$$ г) $$(y - 35) + 12 = 32$$ $$y - 35 = 32 - 12$$ $$y - 35 = 20$$ $$y = 20 + 35$$ $$y = 55$$ Проверка: $$(55 - 35) + 12 = 32$$ $$20 + 12 = 32$$ $$32 = 32$$ д) $$56 - (x + 12) = 24$$ $$x + 12 = 56 - 24$$ $$x + 12 = 32$$ $$x = 32 - 12$$ $$x = 20$$ Проверка: $$56 - (20 + 12) = 24$$ $$56 - 32 = 24$$ $$24 = 24$$ e) $$55 - (x - 15) = 30$$ $$x - 15 = 55 - 30$$ $$x - 15 = 25$$ $$x = 25 + 15$$ $$x = 40$$ Проверка: $$55 - (40 - 15) = 30$$ $$55 - 25 = 30$$ $$30 = 30$$ 487. Решите уравнение: a) $$(x - 12) \cdot 8 = 56$$ $$x - 12 = 56 \div 8$$ $$x - 12 = 7$$ $$x = 7 + 12$$ $$x = 19$$ б) $$24 \cdot (z + 9) = 288$$ $$z + 9 = 288 \div 24$$ $$z + 9 = 12$$ $$z = 12 - 9$$ $$z = 3$$ в) $$(y + 25) \div 8 = 16$$ $$y + 25 = 16 \cdot 8$$ $$y + 25 = 128$$ $$y = 128 - 25$$ $$y = 103$$ г) $$124 \div (y - 5) = 31$$ $$y - 5 = 124 \div 31$$ $$y - 5 = 4$$ $$y = 4 + 5$$ $$y = 9$$ д) $$38x + 15 = 91$$ $$38x = 91 - 15$$ $$38x = 76$$ $$x = 76 \div 38$$ $$x = 2$$ e) $$44 \div z + 9 = 20$$ $$44 \div z = 20 - 9$$ $$44 \div z = 11$$ $$z = 44 \div 11$$ $$z = 4$$