Answer:
-5x+7y+7
Step-by-step explanation:
3х + 9y - 8x - 2y +7 can be written like the equation below to help solve it
3x-8x+9y-2y+7
=-5x+7y+7
3
Average = total sum of all numbers/number of items in set
Average = 18/6
Average = 3
Answer: $7.95+$1t ?
