SOLUTION: When I have an equation such as 2nx+18t-7nx-18nx+19 do the hyphens stand for negative numbers or subtract ? If you could answer this that would be great . Thanks !

SOLUTION: When I have an equation such as 2nx+18t-7nx-18nx+19 do the hyphens stand for negative numbers or subtract ? If you could answer this that would be great . Thanks !

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Question 697980: When I have an equation such as 2nx+18t-7nx-18nx+19 do the hyphens stand for negative numbers or subtract ? If you could answer this that would be great . Thanks !
Answer by strawberrygirl183(35) (Show Source): You can put this solution on YOUR website!
i have a question too : did the problem have parenthesis cause if it did it will help alot if you put them in the equation then i will be able to help you

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