Why did we flip the sign when we did not divide by a negative?
I don't understand how the -2 turned to -5
the points (-5,10) and (r,-12) lie on a line with the slope -2 find r
(-∞,9/7)
X=-3 I need to sol this I do have
I need more detailed ways to help me learn
How do you know to get rid of the negative?
where is c multiplied by 3 coming from in the second line? why is c being divided and multiplied by 3?
Please explain: x/80 = 12 1/40
I keep getting 612 as an answer when entering into my calculator
