1) 19x - 3x + 5 = 133;

Привет! Давай решим уравнения по порядку. ### Задания с первого фото: 1) $19x - 3x + 5 = 133$ $16x = 133 - 5$ $16x = 128$ $x = 128 : 16$ $x = 8$ 2) $248 - (y + 123) = 24$ $y + 123 = 248 - 24$ $y + 123 = 224$ $y = 224 - 123$ $y = 101$ 3) $(24 - x) + 37 = 49$ $24 - x = 49 - 37$ $24 - x = 12$ $x = 24 - 12$ $x = 12$ 4) $(y + 263) - 97 = 538$ $y + 263 = 538 + 97$ $y + 263 = 635$ $y = 635 - 263$ $y = 372$ 5) $9a - a + 14 = 94$ $8a = 94 - 14$ $8a = 80$ $a = 80 : 8$ $a = 10$ ### Задания со второго фото: а) $(x - 12) \cdot 8 = 56$ $x - 12 = 56 : 8$ $x - 12 = 7$ $x = 19$ б) $24 \cdot (z + 9) = 288$ $z + 9 = 288 : 24$ $z + 9 = 12$ $z = 3$ в) $(y + 25) : 8 = 16$ $y + 25 = 16 \cdot 8$ $y + 25 = 128$ $y = 103$ г) $124 : (y - 5) = 31$ $y - 5 = 124 : 31$ $y - 5 = 4$ $y = 9$ д) $38x + 15 = 91$ $38x = 91 - 15$ $38x = 76$ $x = 76 : 38$ $x = 2$ е) $44 : z + 9 = 20$ $44 : z = 20 - 9$ $44 : z = 11$ $z = 44 : 11$ $z = 4$