3,2×(1 9/16х-5)=-26
1 9/16 × х - 5 = -8,125
25/16х-5= -8,125
25/16х - 5 = -65/8
25х - 80 = -130
25х= -130+80
25х=-50
х= -2.
ответ: х= -2
3,2×(1 9/16х-5)=-26
1 9/16 × х - 5 = -8,125
25/16х-5= -8,125
25/16х - 5 = -65/8
25х - 80 = -130
25х= -130+80
25х=-50
х= -2.
ответ: х= -2