Answer:
3, and b
Step-by-step explanation:
1. x =3
Because you have 3 little squares for one x
2. x= -12
b) 15+6=21
Answer:
6
Step-by-step explanation:
Let x over 126 will equal 1/21.
Therefore,

Answer:
Step-by-step explanation:
hello :
y = 4x - 5 means : 4x-y=5
y - 3 = 5(4-X) equivalent : y-3 = 20 -5x means : 5x+y =23
I think it is asking for the answer, therefore it would be AB = 10.7