Question

0.2 + 1.7 + 0.5x=0.22

Answer 1

1.9+0.5x=0.22
0.5x=0.22-1.9
0.5x=-1.68
x=-1.68/0.5
x=-3.36

Answer 2

0.5x=0.22-0.2-1.7
0.5x=-1.68
x=-3.36