Question

20x + 5 = 45

Answer 1

20x + 5 = 45

20x = 45 - 5

20x = 40

x = 40 : 20

x= 2

Answer 2

20x + 5 = 45

20x = 45 - 5 20x = 40 x = 40 : 20 x = 20

Answer 3

20x+5=45

20x=45-5

20x=40

x=40:20

x=2

Answer 4

20x + 5 = 45

\(\Leftrightarrow20x=45-5\)

\(\Leftrightarrow20x=40\)

\(\Leftrightarrow x=40:20\)

\(\Leftrightarrow x=2\)

tick mk nhé

Answer 5