Answer:
14+6=n=20
Step-by-step explanation:n=20
Answer:
3x + 3y
Step-by-step explanation:
The two minus signs make a plus sign. Therefore, we replace the minus signs with a plus sign, getting 3x + 3y.
Answer:
70
Step-by-step explanation:
91 ÷ 1.3 = 70
10,000,000,000×200,000 = 2e+15
Answer:
1. is a solution
2. is a solution
3. not a solution
4. not a solution
5. not a solution
6. is a solution
7. is a solution
8. not a solution
Step-by-step explanation: