Answer:
2x+27=7
2x=-20
x=-10
Step-by-step explanation:
substitute 3 in for all y's and multiply.
The temperature went up 29°C, which represents a positive 29. Then the temperature fell 29°C, which represents a negative 29. The average temperature rose and fell the same amount. The absolute values are the same, so the difference is 0.
The answer to your question is....-9
Answer: the length is 64
Step-by-step explanation: 2880 divided by 45 is 64