D because it’s feet not yards
Answer:
86=y
Step-by-step explanation:
129=y+43
-43 -43
86=y
or
y=86
You know that we have to simplify the algebra equation, so first you have to combine x and 2x. X + 2x equals to 3x. Now that we combined x and 2x which makes 3x, we have to do 7 and -8. 7 + -8 which equals to -1. Therefore, the answer to this algebra equation is 3x + -1.
Answer:
1
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
(-20,3) --->(x,y)
x=-7y
-20=-7(3)
-20=-21
-20 is not equal to -21