SOLUTION: I have this solved. It asks to find a number which is 150 greater than it's opposite. The answer is 75. but I am not sure on how to cheack it. Please help. Thank you=)

Question 152056This question is from textbook algebra
: I have this solved. It asks to find a number which is 150 greater than it's opposite. The answer is 75. but I am not sure on how to cheack it. Please help. Thank you=) This question is from textbook algebra

Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
You are asked to find two numbers such that x and (-x) differ by 150.
So

To check, just sub in 75 in the original equation

When x = 75 is this true?

which is ture, so x =75 is correct
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