Question

(25xa+250):(35:7)-25=75 ma ajutati?

Answer 1

[tex](25*a+250):(35:7)-25=75 \\ (25*a+250):(35:7)=100 \\ (25*a+250):5=100 \\ 25*a+250=500 \\ 25*a=250 \\ a=250/25 \\ a=10[/tex]

Answer 2

(25xa+250):(35:7)-25=75
(25a+250):5=75+25
(25a+250):5=100
25a+250=100x5
25a+250=500
25a=500-250
25a=250
a=250:25
a=10