Answer:
The last one
Step-by-step explanation:
Answer:
12x-3y
Step-by-step explanation:
10x3 + x + X
Group like terms
10x + x +X-3
Add similar elements: 10x + x + x = 12x
= 12x - 3y
Answer:
C
Step-by-step explanation:
x is the original grade, divided by 2 or half, then 20 points are added to that score.
2u! Literal equations are very hard I suggest using math way.com or photo math regarding these problems