Let x = # of computers sold by Sam; then 5x = # of computers sold by Julius
our equation becomes x + 5x = 78
which becomes 6x = 78
solving, x = 13 which is the # of computers sold by Sam
so 5x = 5(13) = 65 which is the number of computers sold by Julius
Answer:
True for all x
Step-by-step explanation:
3x + 5 = 2x + 5 + x
3x + 5 = 3x + 5
3x = 3x
0 = 0
Answer:
John bought 15 apples which costed $0.75 each. How much were the apples in total?
Answer:28.73
Step-by-step explanation:
Answer:
She would run 10.5 miles
Step-by-step explanation:
