Abag contains purple marbles and white marbles, 57 in total. the number of purple marbles is 3 less than 2 times the number of white marbles. hiw many purple marbles are there?

27 purple marbles

Step-by-step explanation:

15 x 2 = (30)

30 - 3 = 27

27 + 30 + 57

hope this helps cus i spent like 5 min helping you

answer: 590

step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square