Question

stiind ca a÷x+b÷x=20 si a+b=40, cu cat este egal x?

Answer 1

a÷x+b÷x=20
a+b= 40

(a+b)÷x= 20
40÷x= 20
x= 40÷20
x= 2

Answer 2

a:x+b:x=(a+b):x=40:x

40:x=20=>x=40:20=>x=2