Answer:
x=7
Step-by-step explanation:
add 7 to both sides
9x=5x+28
subtract 5x from both sides
4x=28
divide both sides by 4
x=7
20 + 6 + 11 + 10 adds up to 47
Answer:
a
Step-by-step explanation:
Answer:
I'm pretty sure that it's just the negatives of the coordinates, (-3,-4) (-3,-1) (-5,-1). I don't know for sure tho, sorry if its wrong.
Step-by-step explanation: