1. You got that one right ;)
2. 3(x+12)
3. c/3+10
4. 2+6x
5. 2/3x-11
6. 2(c-4)
7. 9x-7
8. 6x+7x
9. x+2x
10. 1/4x+11
Answer:
2 (x+2x)=42
or,6×=42
or x=42/6
or x=7cm
width =x=7cm
length=2x=14cm
Answer:50cm.
Step-by-step explanation:
