1) x + 5/7 = -3/8 * 4/3x + 5/7 = -1/2x = -1/2 - 5/7x = -7/14 - 10/14x = -17/14
2) (-20/3) * (-6/5) + x = -1/2(120/15) + x = -1/28 + x = -1/2x = -1/2 - 8x = -4/1
Ответ: x = -17/14, x = -4/1
1) x + 5/7 = -3/8 * 4/3
x + 5/7 = -1/2
x = -1/2 - 5/7
x = -7/14 - 10/14
x = -17/14
2) (-20/3) * (-6/5) + x = -1/2
(120/15) + x = -1/2
8 + x = -1/2
x = -1/2 - 8
x = -4/1
Ответ: x = -17/14, x = -4/1