36. find the value of x

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

If 3x+8=3x+8 is it one solution or no solution