№ 48. Решите уравнения. На изображении полностью видны задания в двух колонках: 1) 2(x + 5) = 12; 84 : (x − 3) = 42; 3(x + 4) = 33; 45 : (x − 5) = 15; 4(x − 7) = 12; 6(x − 2) = 24; (x + 3) · 3 = 27; (x − 4) : 5 = 7; (x − 3) : 2 = 12; (x − 9) · 3 = 12; (3x + 7) · 2 = 32; (2x − 20) : 32 = 6; (42 + 2x) : 2 = 32; (5x − 7) · 5 = 15; (13 − 2x) · 3 = 27; (40 − 4x) : 2 = 16; (63 − 9x) : 3 = 15; 4(x − 3) = 12; 5(x + 5) = 45; 3(x − 7) = 9. 2) 3(x + 4) = 18; 2(x − 7) = 18; 2(x + 5) = 30; 4(x − 6) = 64; 6(x + 3) = 96; 7(x + 4) = 63; (x + 5) : 3 = 15; (x − 3) : 4 = 48; (x − 6) : 3 = 63; (x + 8) : 2 = 42; (2x + 5) · 3 = 15; (8 + 4x) · 2 = 48; (11 − 3x) · 3 = 15; (5x + 2) · 5 = 60; (49 − 11x) : 3 = 9; (15 + 3x) : 3 = 6; (12 + 7x) · 2 = 24; 7(x + 2) = 49; 15 : (x + 2) = 5; 21 : (x − 7) = 7.
- Для первого столбца: x = 1; x = 4; x = 7; x = 8; x = 10; x = 6; x = 6; x = 39; x = 27; x = 13; x = 9; x = 106; x = 11; x = 2; x = -1; x = 6; x = 16; x = 6; x = 4; x = 10.
- Для второго столбца: x = 2; x = 16; x = 10; x = 22; x = 13; x = 5; x = 50; x = 195; x = 195; x = 76; x = 5/2; x = 4; x = 2; x = 2; x = 2; x = -3; x = 10/7; x = 1; x = 1; x = 14.