Answer:
The answer is 13
Step-by-step explanation:

Answer:
12y-3=2(5y+1/2)
12y-3=10y+1
12y-10y-3=1
12y-10y=1+3
2y=1+3
2y=4
y=2
Step-by-step explanation:
-z³ + 5k^6 + z³ -10k^6
(-z³ cancels out with z³)
5k^6 -10k^6
(then subtract)
Answer is -5k^6
Answer:
9y+45
Step-by-step explanation:
9(y+5)
=9*y+9*5
=9y+45