Answer:
im sorry i dont understand
Step-by-step explanation:
Answer:
x = 23
Step-by-step explanation:
6x+19+x = 180
7x = 180 - 19
7x = 161
x = 161/7
x = 23
Answer:
3 or (3,0)
Step-by-step explanation:
49=-7k is equivalent to D because when you simplify both of them, you get -7=k