Marry has 13 cats if she sold 7 brown cats and sold 2 black cats then how many white cats are there in total

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.