Question

Determinati-l pe x din:


e) 57- (32 + 10 + x) = 10;
f) 200 -x +375 = 156.​

Answer 1

Răspuns:

e). 57-(42+x)=10

42+x= 10+57

42+x= 67

x= 67-42

x= 25

f). 200-x+375=156

x+375=200-156

x+375=44

x=375-44

x=331