How would you solve this?

For the equation, you should subtract 2x on both sides to get -y = -2x - 4.  Flip the y's negative sign to get a proper function which is y = 2x + 4.  The y-intercept is at (0, 4) and each unit will move two units up along the x-axis.

if you use photomath right away it will give you the answer not like this app that you have to wait for people.

25.2

step-by-step explanation:

2+4x6-8/10= 25.2