SOLUTION: i have a problem... 2/7=x/-42 I know you cross multiply 7x=-84 x=-84-7 x=-91 Im i right?

Algebra ->  Proportions -> SOLUTION: i have a problem... 2/7=x/-42 I know you cross multiply 7x=-84 x=-84-7 x=-91 Im i right?      Log On


   

Question 7597: i have a problem... 2/7=x/-42
I know you cross multiply
7x=-84
x=-84-7
x=-91
Im i right?
Answer by ichudov(507) About Me  (Show Source):
You can put this solution on YOUR website!
well, if you put your x into the original proportion, you can see that no, you are not right. You were too quick with the second step.
7x=-84
x=-84/7 (note division)
x=-12