Answer:
-4x=4+4
x=8/-4
x= -2
not sure how I'm supposed to verify
I am thinking the 3rd one >> -x+5=6x-2
(: (:
Answer:
IT is not
Step-by-step explanation:
Let's replace. If it's a solution, it means that BOTH equations has to be true.

Now, the second equations seems good -
indeed.
First alas isn't. RHS is 142, which is totally not the same as -10.
Answer:
figure it out
Step-by-step explanation:
u just have to try it out