Answer:
y=8x-3
Step-by-step explanation:
Answer: x=-3 y=7.
Step-by-step explanation:
![\displaystyle\\\left \{ {{6x+4y=10\ \ \ \ \ (1)} \atop {12x+y=-29\ \ \ \ (2)}} \right.\\ We\ multiply\ both\ sides\ of\ equation\ (1)\ by\ -2:\\\left \{ {{(-2)*6x+(-2)*4y=(-2)*10} \atop {12x+y=-29}} \right. \\\\\left \{ {{-12x-8y=-20} \atop {12x+y=-29}} \right. \\](https://tex.z-dn.net/?f=%5Cdisplaystyle%5C%5C%5Cleft%20%5C%7B%20%7B%7B6x%2B4y%3D10%5C%20%5C%20%5C%20%5C%20%5C%20%281%29%7D%20%5Catop%20%7B12x%2By%3D-29%5C%20%5C%20%5C%20%5C%20%282%29%7D%7D%20%5Cright.%5C%5C%20%20We%5C%20%20multiply%5C%20%20both%5C%20%20sides%5C%20%20of%5C%20%20equation%5C%20%20%281%29%5C%20%20by%5C%20%20-2%3A%5C%5C%5Cleft%20%5C%7B%20%7B%7B%28-2%29%2A6x%2B%28-2%29%2A4y%3D%28-2%29%2A10%7D%20%5Catop%20%7B12x%2By%3D-29%7D%7D%20%5Cright.%20%5C%5C%5C%5C%5Cleft%20%5C%7B%20%7B%7B-12x-8y%3D-20%7D%20%5Catop%20%7B12x%2By%3D-29%7D%7D%20%5Cright.%20%5C%5C)
![We\ summarize\ equations\ (1)\ and\ (2):\\-7y=-49\\-7*y=-7*7\\Divide\ both\ sides\ of\ the\ equation\ by\ -7:\\y=7.\\We\ substitute\ the\ value\ of\ y\ into \ equation\ (1):\\6x+4*7=10\\6x+28=10\\6x+28-28=10-28\\6x=-18\\6*x=6*(-3)\\Divide\ both\ sides\ of\ the\ equation\ by\ 6:\\x=-3.](https://tex.z-dn.net/?f=We%5C%20%20summarize%5C%20%20equations%5C%20%20%281%29%5C%20%20and%5C%20%20%282%29%3A%5C%5C-7y%3D-49%5C%5C-7%2Ay%3D-7%2A7%5C%5CDivide%5C%20%20both%5C%20%20sides%5C%20%20of%5C%20%20the%5C%20%20equation%5C%20%20by%5C%20%20-7%3A%5C%5Cy%3D7.%5C%5CWe%5C%20%20substitute%5C%20%20the%5C%20%20value%5C%20%20of%5C%20%20y%5C%20%20into%20%5C%20equation%5C%20%20%281%29%3A%5C%5C6x%2B4%2A7%3D10%5C%5C6x%2B28%3D10%5C%5C6x%2B28-28%3D10-28%5C%5C6x%3D-18%5C%5C6%2Ax%3D6%2A%28-3%29%5C%5CDivide%5C%20%20both%5C%20%20sides%5C%20%20of%5C%20%20the%5C%20%20equation%5C%20%20by%5C%20%206%3A%5C%5Cx%3D-3.)
Answer:
36
Step-by-step explanation:
first, see the formula in the attached picture.
now, by applying that formula we get :
the coefficient of the x7y2 is :
9C7 = 36 (you can either use a calculator or just the algebraic formula)
Perpendicular
Mark as brainliest
I believe this is right but I’m not 100%