Question

2r+8<16-2r and 7r+21>r-9

Answer 1

Answer:

1. r<2
2. r>-5

Step-by-step explanation:

1. Subtract 8 from both sides.
2. Simplify.
3. Add 2r to both sides.
4. Simplify.
5. Divide both sides by 4.
6. Simplify 8/4 to 2.

1. Subtract r from both sides.
2. Simplify.
3. Subtract 21 from both sides.
4. Simplify.
5. Divide both sides by 6.
6. Then Simplify 30/6 to 5.