12+8y you have to do like terms and the distributive property of 2(y+1)
Answer:
18. Commutative property of addition
19. Distributive property
20. Associative property of addition
Step-by-step explanation:
Answer:
190
Step-by-step explanation:
1/2(6+13)(5)
6+ 13 = 19*5 = 95
95/ 1/2= 190
