Multiplying the 1st equation by -2:
-2x -8y = -16
2x - 5y = 29
13y = 13
y = 1
2x - 5 = 29
2x = 24
x = 12
Answer:
2.4 hope im right if not my bad bro
3k-2=2k+4
-2k. -2k
k-2=4
+2. +2
k =6
The answer would be 32 because the parenthesis are just there because its negative and 2 negatives multiplied together make a positive :)
Answer: 3 hours
Step-by-step explanation:
39 hours = 13 days
a hours = 1 day
Cross-multiply
13 x a = 39 x 1
a = 39/13
= 3 hours