Hey there!!
We have:
12 = 5x - 13x - 44
Now, we will have to combine the like terms:
... 12 = - 8x - 44
Now, let's add 44 on both sides:
... 12 + 44 = -8x
... 56 = -8x
Now, let's divide -8 on both sides:
... 56 / -8 = x
... -7 = x
The value of x is -7.
Hope my answer helps!
Happy Thanksgiving! :)
