Answer:
10b=60
Step-by-step explanation:
just took on edge, might be late but i can help people in the future.
Answer:

Step-by-step explanation:

Answer:
Step-by-step explanation:
Average rate equals the negative of delta concentration of reactants
Answer:
x = - 7
Step-by-step explanation:
- 3x + 7 = 28
- 3x + 7 - 7 = 28 - 7
- 3x = 21
- 3x/3 = 21/3
- x = 7
x = - 7
20,000,000+400,000+80,000+4000+100+60+3