Question

решение уравнения:0,81х-71=1,11x+1

Answer 1

0,81х-71=1,11x+10.81х-1.11х=1+71
-0.3х=72
х=72:(-0.3)
х=-240

Answer 2

0.81x - 71 = 1.11x +1
0.81x - 1.11x = 71 +1
-0.3x = 72
x= 72/-0.3
x= -240

Answer 3

спс большое