Question

0,8 (х+2) +0,2 = 5,2

Answer 1

$0,8(x+2)+0,2=5,2\\0,8(x+2)=5,2-0,2\\0,8(x+2)=5\\x+2=5:0,8\\x+2=6,25\\x=6,25-2\\x=4,25$