Question

3-4x/9-3=8-3x/15
уравнение / дробь

Answer 1

15 (3-4х) = 9 - 3 (8-3х),
45 - 60х = 9 - 24 + 9х,
-60х - 9х = -45 -15,
-69х = -60,
х = 60/69,
x = 20/23.