293)5,6x-32-0,4x+6=-39
5.2x=-39-6+32
5.2x=-13
x=-13:5.2
x=-2.5
309)-2.4(5.8x-40.1)=0.8(3.2x-23.9)
-13.92x+96.24=2.56x-19.12
-13.92x-2.56x=-19.12-96.24
-16.48x= -115.36
x=7
296)x-1поле
x-16 -2 поле
30,2x+28,6(x-16)=8244.8
30.2x+28.6x-457.6=8244.8
58.8x=8244.8+457.6
58.8x=8702.4
x=148
148-16=132