Вправи 401 - 500 » 496
Розв’яжи рівняння: 1) (х + 492) – 798 = 839 x + 492 = 839 + 798 x + 492 = 1637 x = 1637 – 492 х = 1145 2) (х – 792) + 297 = 1392 х – 792= 1392 – 297 x – 792 = 1095 x = 1095 + 792 x = 1887 3) (х – 5342) – 4132 = 9159 x – 5342 = 9159 – 4132 x – 5342 = 13 291 x = 13 291 + 5342 x = 18 633 4) 973 - (343 + x) = 297 343 + x = 973 – 297 343 + x = 576 x = 576 – 343 x = 333 5) 1952 - (x – 732) = 1713 x – 732 = 1952 – 1713 x – 732 = 239 x = 239 + 732 x = 971 6) 2372 - (1795 – x) = 1052 1795 – x = 2372 – 1052 1795 – x = 1320 x = 1795 – 1320 x = 475