Question

What value of x is in the solution set of 4x – 12 5 16 + 8x?

-10

-9

-8

-7

Answer 1

`4x-12= 16 +8x`

And we can subtract 4x in both sides and we got:

`-12 = 16 +4x`

Now we can subtract in both sides 16 and we got:

`-28 = 4x`

And if we divide both sides by 4 we got:

`x = -7`

And the best solution would be:

-7

Explanation:

For this case we assume the following equation:

`4x-12= 16 +8x`

And we can subtract 4x in both sides and we got:

`-12 = 16 +4x`

Now we can subtract in both sides 16 and we got:

`-28 = 4x`

And if we divide both sides by 4 we got:

`x = -7`

And the best solution would be:

-7