Answer:
Very first one, A
Step-by-step explanation:
Because you are not multiplying the number by anything. It's like multiplying 2 x 1.
I hope that made sense ...
X+y=10
y=x-6
x + (x-6) = 10
2× - 6 = 10
2× = 4
x=2
(2, -4)
Where is the picture to look at?
A parallelogram have 4 sides
