Question

5x - 206 = 2⁴ . 4

Answer 1

5x - 206 = 2⁴ . 4

5x - 206 = 64

5x=64+206=270

x=270:5

x=54

Answer 2

x= 54 nha

Answer 3

\(5x-206=2^4\times4\)

\(\Rightarrow5x-206=16\times4\)

\(\Rightarrow5x-206=64\)

\(\Rightarrow5x=64+206\)

\(\Rightarrow5x=270\)

\(\Rightarrow x=270\div5\)

\(\Rightarrow x=54\)