How many solutions? -2(x + 3) = 2x - 6

A single solution

Infinite solutions

No solution

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.