−3,39x+(2,6−12)=17+2,6−3,59x.
-3,39х+(-9,4)=19,6-3,59x
-3,39х-9,4=19,6-3,59x
-3,39х+9,59=19,6+9,4
0,2x=29
x=145
−3,39x+(2,6−12)=17+2,6−3,59x.
-3,39х+(-9,4)=19,6-3,59x
-3,39х-9,4=19,6-3,59x
-3,39х+9,59=19,6+9,4
0,2x=29
x=145