Question

Afla valoare lui a din expresia [(a+90)×5+100]:600=1 repede plss

Answer 1

[(a+90)×5+100]:600=1<br />[(a+90)×5+100]=1×600<br />[(a+90)×5+100]=600<br />(a+90)×5=600-100<br />(a+90)×5=500<br />(a+90)=500:5<br />a+90=100<br />a=100-90<br />a=10

Answer 2

(a+90)x5 +100=600x1
(a+90)x5=600-100
(a+90)x5=500
a+90=500:5
a+90=100
a=100-90
a=10