Which quanitity could go in the blank to make the equation below true? x+2x+ _=5x a 2 b 3 c 2x d 3x

When a formula is solved for a particular variable, several different equivalent forms may be possible. if we solved a=1/2bh for h, one possible correct answer is h=2a/b . which one of the following is not equivalent to this? a. h= 2(a/b) b. h= 2a(1/b) c. h= a/1/2b d. h= 1/2a/b

Hi, can anyone show me how to do this problem? 100 points for this. in advance

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?