Simplify each expression

1. 5 + 3 (x - 5) + 7

2. 1/2+2/3(y- 6)

Someone me i need with this stuff

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air