Question

c) [(9-x+84):42 +175]:36 = 5
b) [(8 x +134): 36+175]:36=5
d) [(7-x+24): 25+174]:36=5 ​

Answer 1

Răspuns:

C) [(9-x+84):42+175]=5×36

(9-x+84):42+175=180

(9-x+84):42=180-175

(9-x+84):42=5

(9-x+84)=5×42

9-x+84=210

9-x=210-84

9-x=126

x=126-9

x=117