Minus the 21 from the other side of the equation making it 7x=-21 then u divide the 7 from the x to the -21 resulting in x=-3
Answer:
Shows how to quickly check if a matrix product is defined and, if it is, how to ... You can use this fact to check quickly whether a given multiplication is defined.
Step-by-step explanation:
Answer:
172.8 people got a gift card
Step-by-step explanation:
12,010 + 1,814 = 13,824 divided 80
= 172.8 people got a gift card
Answer:
1 is the slope
according to given graph.
Answer: I am really good at math so if you need help just say so