Пошаговое объяснение:
-6 1/4 -7 1/2x=-25-3 3/4x
-7 1/2х+3 3/4х=-25+6 1/4
-7 2/4х+3 3/4х=-18 3/4
-3 3/4х=-18 3/4
-15/4х=-75/4
Х=-75/4*(-4/15)
Х=5
-7x-8 1/6=2 1/3x -45 1/2
-7х-2 1/3х=-45 1/2+8 1/6
-9 1/3х=-45 3/6+8 1/6
-9 1/3х=-37 1/3
Х=-37 1/3:(-9 1/3)
Х=-112/3*(-3/28)
Х=4
Пошаговое объяснение:
-6 1/4 -7 1/2x=-25-3 3/4x
-7 1/2х+3 3/4х=-25+6 1/4
-7 2/4х+3 3/4х=-18 3/4
-3 3/4х=-18 3/4
-15/4х=-75/4
Х=-75/4*(-4/15)
Х=5
-7x-8 1/6=2 1/3x -45 1/2
-7х-2 1/3х=-45 1/2+8 1/6
-9 1/3х=-45 3/6+8 1/6
-9 1/3х=-37 1/3
Х=-37 1/3:(-9 1/3)
Х=-112/3*(-3/28)
Х=4