that will be not so shore of what will you think but if you used a thermometer and you see how it will change
Answer:
x=3
Explanation:
First what you do is move x to one side and the rest of the numbers to another while changing the sign from + to - or - to + like this
6x+4x= 1+-21+50
Then you do the equation on 1 side
6x+4x=30
And then the other but add them like x is not there
10x=30
Your final result should be
X=3
The answer to that would be D!
Answer:
x=9
Step-by-step explanation:
Subtract 2 from both sides:

square both sides, so:
x=3^2 = 9