Solve the system: -2(a-b)+16=3(b+7)
6a-(a-5)=-8-(b+1)

PLEASE ANSWER ASAPPP WILL GIVE BRAINLIES

The table respent two linear functions the equation respented by the first tables is given

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Construct the graph that models the given situation