So we're given Y = 3x.
We now can replace Y, for 3x in the equation:
Y = x + 4
3x = x + 4
3x - x = 4
2x = 4
x = 2
Answer:
a
Step-by-step explanation:
ok
2x-y = - 2
2X - 0 = -2
2X = - 2
X = -2/2
X = -1
X + y = - 4
- 1
Answer:
It'll take the first team 16 days and the second team 24 days to finish the work alone
Step-by-step
Answer:
20z
Step-by-step explanation:
just times 20*z which give you 20z