51+2x:5=625
5+2x=3125
2x=3120
=>x=1560
\(5^1+2x\div5=625\)
\(\Leftrightarrow2x\div5=620\)
\(\Leftrightarrow x=1550\)
P/s tham khảo nha
51+2x:5=625
=>5+2x:5=625
2x:5=625-5=620
=>2x=620*5=3100
x=3100:2=1550
t i c k mk nha bạn
hô hô
\(5+2x.5=5^4\)
\(5.\left(1+2x\right)=5^4\)
\(1+2x=5^4:5=5^3\)
\(1+2x=125=>2x=124\)
\(x=62\)
P/S: bn ghi sai đề rồi 'nhân' ko pk 'chia'
51 + 2x : 5 = 625
=> 5 + 2x = 3125
=> 2x = 3125 - 5
=> 2x = 3120
=> x = 1560
5^1 + 2x:5 = 625
5 + 2x:5 = 625
2x:5 = 625- 5
2x :5 = 620
2x = 620x 5
2x = 3100
x = 3100: 2
x = 1550
51+2x:5=625
2x:5=625-51
2x:5=625-5
2x:5=620
2x =620.5
2x =3100
x =3100:2
x =620
Cảm ơn mn nhìu nha :v nhưng mình chép sai đề mất rùi :v Xin lỗi mn nhìu
\(5^1+2x:5=625\)
\(\Rightarrow\frac{2x}{5}=625-5=620\)
\(\Rightarrow2x=620\cdot5\)
\(\Rightarrow x=\frac{620\cdot5}{2}=310\cdot5=1550\)