6x+4+10x=180 what is the value of x?

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

Which of the following equations is equivalent to x/3-6/x=1