Question

is the equation true, false, or open
9p+8=10p+7
1.)open; there is a variable
2.)true; the expressions are the same for all values of the variables
3.)false; the expressions are never the same

Answer 1

it's true sometimes, to be more specific, when p=1 it's true, otherwise it's not

Answer 2

http://www.wolframalpha.com/input/?i=9p%2B8%3D10p%2B7

Answer 3

so open

Answer 4

yes