Question

Tìm x thuộc  N biết 
352- x+3⁴ = 422

Answer 1

Ta có:

352-x+3⁴=422

=> 352+81-x=422

=> 433-x=422

=> x=433-422=11

Answer 2

352 - x + 3⁴ = 422

352 - x + 81 = 422

433 - x = 422

x = 11

Answer 3

\(352-x+3^4=422\)

\(\Rightarrow352-\left(x-3^4\right)=422\)

\(\Rightarrow x-3^4=352-422\)

\(\Rightarrow x-81=-70\)

\(\Rightarrow x=\left(-70\right)+81\)

\(\Rightarrow x=11\)

Answer 4

352-x+3⁴=422

=>352-x+81=422

=>352-x=341

=>x=11

Answer 5

\(352-x+3^4=422\)

\(\Rightarrow352+81-x=422\)

\(\Rightarrow433-x=422\)

\(\Rightarrow x=433-422=11\)