Question

Can someone help me with this

Answer 1

Answer:

Third option : x = -8

Step-by-step explanation:

Given

5x+20+5x=5x-20

in order to solve the equation, Subtracting 5x on both sides

5x+20+5x-5x=5x-20-5x

5x+20= -20

20 will be subtracted from both sides

5x+20-20= -20-20

5x= -40

Dividing by 5 on both sides

5x/5=  (-40)/5

x= -8

So, the value of x is -8 ..

Answer 2

The answer is:

x=-8

Because:

If you pick a number(-8) to fill in the equation written below

5x+20+5x=5x-20

After applying the -8 to x you get

-40+20-40=-40-20

When you simply the both sides you get

-60=-60

And that’s right -60 is equal to -60!