Answer:x=18
Step-by-step explanation:2x-9=x+9
Answer:
its 8.5
Step-by-step explanation:
Answer:
About 11.10 Percent off. The change from 315 to 350 was an increase
Step-by-step explanation:
10x^2 - y + 12 - 3x^2
10x^2 - 3x^2
When you see a number that look almost the same you add or subtract
10x^2 - 3x^2
Always carry the symbol in front of the number