Respuesta :

2x=84 is a one step equation so all u need to do is divided both sides by 2 so the variable can be by itself, so x=42
JoyMark

Answer:

42

Step-by-step explanation:

Since 2x is multiplication, you have to do the inverse (opposite) of that. The opposite of multiplication is division. You have to divide 2 with 84 to find x.

2x=84

----  ----

2      2

x=42