SOLUTION: I am having trouble evaluating the following expression: 2(3r + w) if r = -1, w = -1/2

Algebra.Com
Question 334512: I am having trouble evaluating the following expression:
2(3r + w) if r = -1, w = -1/2

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!






Just do the arithmetic. What part is giving you trouble?


John

My calculator said it, I believe it, that settles it


RELATED QUESTIONS

I am trying to solve the following equations but I am having trouble. 1.... (answered by jim_thompson5910)
ok i am having a lil trouble with this cause i dont get this but here is that question (answered by stanbon,TP)
I am having trouble with a question, My question is multiply, r^2+7r+10 3r-30 (answered by ichudov)
How do I perform the indicated operations and simplify the following: w-4/w-9 – w+1/w+9... (answered by checkley77)
w-3/w-7 - w+1/w+7 + w-63/w^2-49 Please help, not sure if I combine like terms to get... (answered by Alan3354)
please help me!!! I need to solve for r in the following equation... (answered by jim_thompson5910)
If 1 and w are 2 of the 5 roots of (w)^5 = 1, then prove the following: a) (w)^2,... (answered by Edwin McCravy,mccravyedwin)
Rational Expression Please help me break this one down. w^2-1/(w-1)^2*w-1/w^2+2w+1... (answered by vleith)
If 1 and w are two of the five roots of w^(5)=1, then show the following: i.w^(2),w^(3), (answered by greenestamps)