What does b equal in the equation b=y+1.3x

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Place the following steps in order to complete the square and solve the quadratic equation,

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.