Write a real-world problem that can be solved using the equation 9+4x=21−2x.

1. you have to subtract 9 from both sides. 21-9= 12

2. you have to add 2x to both sides. 4x+2x= 6x

3. 6x divided by both sides =

4.x=2

spinning a 1, 2, or 3. option d.

step-by-step explanation: when spinning a number graph up to 4, and aiming for any number less than 3, that automatically eliminates the number 4. now you have two numbers to spin on that are less than 3, but the number 3 is included in this question because it's no greater of an number than itself. i hope this you : )