3.5x - 2.3x + 3.8 = 4.28
1.2x + 3.8 = 4.28
1.2x = 4.28 - 3.8
1.2x = 0.48
x = 0.48/1.2
x = 0.4
4.7y - (2.5y + 12.4) = 1.9
4.7y - 2.5y - 12.4 = 1.9
2.2y = 1.9 + 12.4
2.2y = 14.3
y = 14.3/2.2
y = 6.5
(8.3 - к) * 4.7 = 5.64
8.3 - к = 5.64 / 4.7
8.3 - к = 1.2
к = 8.3 - 1.2
к = 7.1
(9.2 - m) * 3.2 = 16
9.2 - m = 16 / 3.2
9.2 - m = 5
m = 9.2 - 5
m = 4.2
Данный ответ представлен фотографией.
3.5x - 2.3x + 3.8 = 4.28
1.2x + 3.8 = 4.28
1.2x = 4.28 - 3.8
1.2x = 0.48
x = 0.48/1.2
x = 0.4
4.7y - (2.5y + 12.4) = 1.9
4.7y - 2.5y - 12.4 = 1.9
2.2y = 1.9 + 12.4
2.2y = 14.3
y = 14.3/2.2
y = 6.5
(8.3 - к) * 4.7 = 5.64
8.3 - к = 5.64 / 4.7
8.3 - к = 1.2
к = 8.3 - 1.2
к = 7.1
(9.2 - m) * 3.2 = 16
9.2 - m = 16 / 3.2
9.2 - m = 5
m = 9.2 - 5
m = 4.2
Данный ответ представлен фотографией.