Respuesta :

Hello,

Equation: x + 2y = 4

Step-by-step:

Move constant to left.

x + 2y - 4 = 4 - 4

The sum of opposites equal zero

x + 2y - 4 = 0

Explain: y cannot be by itself do to no alike variables


Answer: x + 2y - 4 = 0
Hope this helps!