Answer:
Add 7 to both sides
Step-by-step explanation:
You would need to add 7 to both sides to cancel out the 7 on the right side of the equation to get x one step closer to being by itself.
Then you would get 4x = -8.
Next divide by 4 on both sides to get x by itself so do the inverse operation of what 4 was doing to x.
x = -2
Answer:
Domain:
Step-by-step explanation:
The domain of a function is all values of x such that f(x) exists.
In our case we have the following function:

We know that x and f(x) are real numbers, therefore the domain will be the interval
, or in other words, the domain is all real numbers.
I hope it helps you!
Answer:
x=−2y+3 and x=y+6
Step-by-step explanation:
x+2y=3
x+2y+−2y=3+−2y
x=−2y+3
x−y=6
x−y+y=6+y
x=y+6