When subtracting two numbers, you add the ( blank) Of the number being subtracted

Aline passes through the point (2, -4) and has a slope of 0, what is the equation of the line? plz fast

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .