Marina is solving the equation below by using the multiplicative inverse, or the reciprocal. One-fifth (x minus 2) = 20

By which number should Marina multiply both sides of the equation as the first step in solving it?
One-fifth
Four-fifths
5
20

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

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

How to solve a simultaneous equation involved with fractions?