Question

решите уровнение 1,8x-2(x-3)=7

Answer 1

1,8x-2x+6=7
-0.2x=1
x=-5

Answer 2

1,8x-2(x-3)=7
1,8x-2x+6=7
1,8x-2x=7-6
-0,2x=1
x=1/-0,2
x=...

Answer 3

x=-5