1) x/4 + x/3 = 14;| * 12
3x +4x = 168
7x = 168
x = 168:7 = 24
х = 24.
2) a/2 - a/8 = 5 | * 8
4a -a = 40
3a = 40
a = 40/3
3) y/4 = y - 1 | * 4
y = 4y -4
y - 4y = -4
-3y = -4
y = 4/3
1) x/4 + x/3 = 14;| * 12
3x +4x = 168
7x = 168
x = 168:7 = 24
х = 24.
2) a/2 - a/8 = 5 | * 8
4a -a = 40
3a = 40
a = 40/3
3) y/4 = y - 1 | * 4
y = 4y -4
y - 4y = -4
-3y = -4
y = 4/3