8x + 1 + x = 22 – x;

Question

8x + 1 + x = 22 – x;

Answer 1

8х+1+х=22-х
8х+х+х=22-1
10х=21
х=21:10
х=2,1

Answer 2

8x+x+x=22-1
10x=21
x=21/10