Question

Решите уравнение 1-1,7х-(0,8х+2)=3,4

Answer 1

1-1.7x-0.8x-2=3.4
-2.5x=3.4+2-1
-2.5x=4.4
x=-1.76

Answer 2

1-2,5x-2=3,4
2,5x=4,4
x=4,4/2,5=1,76