Question

calculati a+b in cazul in care ax+bx=100 si x = 25

Answer 1

=x(a+b)=100; 25(a+b)=100; => a+b=100:25=4; deci a+b=4

Answer 2

ax+bx=100adica x(a+b)=100
25(a+b)=100
a+b=100/25
a+b=4