Answer: x=-3 and y= -15
Step-by-step explanation: 1 Substitute y=5xy=5x into 4x-2y=184x−2y=18.
-6x=18
−6x=18
2 Solve for xx in -6x=18−6x=18.
x=-3
x=−3
3 Substitute x=-3x=−3 into y=5xy=5x.
y=-15
y=−15
4 Therefore,
\begin{aligned}&x=-3\\&y=-15\end{aligned}
x=−3
y=−15
Answer:
C; right answer on Khan Academy
Step-by-step explanation:
Answer:
commutative property
Step-by-step explanation:
it is
Answer:
The answer spins 56.
Step-by-step explanation:
This is because 5 + 6 = 11 and 56 = 7 x 8.
I figured it out by going through each number(1,2,3..) and multiplying it by 7. Also, I checked if the sum of the factors are 11.