Question

(3.x - 2) - 2⁵ × 9 = 7² Giải giúp e với ạ

Em đg cần gấp

Answer 1

\((3x-2)-2^5\times9=7^2\\\Rightarrow (3x-2)-32\times9=49\\\Rightarrow (3x-2)-288=49\\\Rightarrow 3x-2=49+288\\\Rightarrow 3x-2=337\\\Rightarrow 3x=337+2\\\Rightarrow 3x=339\\\Rightarrow x=\dfrac{339}{3}\\\Rightarrow x=113\)
#\(Toru\)

Answer 2

(3.x - 2) - 2⁵ × 9=7²

=>(3.x-2)-32 x 9=49

=>(3.x-2)-288=49

=>3.x-2=337

=>3.x=339

=>x=113