X - 13 = x + 1 is it true
2 answers:
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Step-by-step explanation:
Get n by itself. It doesn't matter how you do it, you'll get the same answer whether you subtract m or add n to the other side. You just need to have a positive n by itself on one side of the equation.
Answer:
B.
Answer:
Step-by-step explanation:
The radical symbol when used for a square root means the non-negative square root. You cannot state that sqrt(x^2) = x because x may be negative. That is why you need use the absolute value symbol.