SOLUTION: How do combination of signed numbers work? Example= -1-(-6+-1) I know you work within the parenthises first but I do not remember the rules for combining signs. I understand th

Algebra.Com
Question 403000: How do combination of signed numbers work? Example= -1-(-6+-1) I know you work within the parenthises first but I do not remember the rules for combining signs. I understand the answer is -4 but how do I get there?
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
- times - = +
+ times + = +
- Times + = -
-------------
-1+7=+6
I don't know where the -4 comes from.

RELATED QUESTIONS

Okay here's an example of a problem I need to solve and I can not figure it out with... (answered by jim_thompson5910)
How do i put this equation in with the Quadratic Formula? I know the formula, but i do... (answered by checkley75)
If I have a number example: 243 with an exponent that's the fraction 5/3, how do I work... (answered by Fombitz)
If I am only given the solution how do I find the quadratic equation? I know that I have (answered by ewatrrr)
determine the x- and y- intercepts (if any) of the given equation. SHOW WORK. Then plot... (answered by Fombitz)
Please help me work out and graph y = 2x + 1/x -1 I know that x cannot equal 1 but do... (answered by rmromero)
factor by completing the square. please show how the work is done. I can get the answer... (answered by ankor@dixie-net.com)
How do I determine Square roots? Example : I know that the square root of 484 is 22.... (answered by oberobic)
I am confused on how to solve this, the directions say "Sketch the graph of each line."... (answered by jim_thompson5910)