-7-5+3=1
-12+3=1
-9≠1. As a result, this is False. Hope it help!
Answer:

Step-by-step explanation:
We have the equation 
In order to solve for x, we need to get all of the x's to one side and everything else to the opposite side

First, we can add 1 to each side

Now, we can add x to each side

Next, we can divide each side by 2

And here is our answer.
Answer:
You would use long division and use work it out in your answer sheet. But the answer to that is 15
Step-by-step explanation:
The answer is 2.36 :) :) :) :) :)
Answer:
28
Step-by-step explanation:
1) subtract 12 from both sides
2) divide by negative 1