Question

Stiind ca : a+7+b=37. Calculati:
a) (a+b)+5=?
b) a+(b+11)=?
c) 47-(a+b)=?
Repedeee va rog.

Answer 1

a+7+b=37;
=>a+b=37-7;
=>a+b=30;

a) (a+b)+5=30+5=35;

b) a+(b+11)=30+11=41;

c) 47-(a+b)=47-30=17;