Mathematics: Elimination system 8x -6y=-20 and -16x+7y=30

Elimination system 8x -6y=-20 and -16x+7y=30 - id862016730674816, micahsocool23

Ответ:

queenskyyt

12.03.2022

At the first you have to subtract or add(according to their sign) the both equation and mutiply the first equation by 2 for making the (8x equal to 16x) and then subtract then and finf the y value. When you find the y value write it instead of "y" on one of equations and find the x value...
Elimination system 8x -6y=-20 and -16x+7y=30