Answer:
6x
Step-by-step explanation:
Step 1: Write equation
x + 2x + 3x
Step 2: Combine like terms
3x + 3x
6x
12 would be the only zero if you meant to write the equation as y=(x-12)(3-10)
Answer:
2
Step-by-step explanation:
Answer: 180 degrees
Step-by-step explanation:
A rotation of 180 degrees about the origin maps
.