Question

(х+155)-35=145
17х+4х=195

Answer 1

$1)(x+155)-35=145\ x+155=145+35 \x+155=180 \ x= 180-155 \ x=25 \ \ 2) 17x+4x=195\ 21x=195\ x=195/21\ x=9 frac{6}{21} \ \ x=9 frac{2}{7}$