Each course at college X is worth either 3 or 4 credits. The member of the men's swim team are taking a total of 50 courses that are worth a total of 165 credits. How many 3-credit courses and how many 4-credit courses are being taken?

hreryryrranswer:

step-by-step explanation:

a is 8.b is 10.c is 10.5. d is -.5

step-by-step explanation:

just minus the smallest number from the biggest.

2(2x + 3) = -4 + 2(2x + 5)

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 6

4x - 6 + 6 = 4x - 6 + 6

4x = 4x

x = x

unlimited solutions.