meiyrarodriguez
13.04.2020 •
Mathematics
1) -4x - 2y=-12
4x + 8y = -24
Solved
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Ответ:
x = 6, y= -6
Step-by-step explanation:
-4x - 2y=-12
4x + 8y = -24
Add the two equations together to eliminate x
-4x - 2y=-12
4x + 8y = -24
6y = -36
Divide each side by 6
6y/6 = -36/6
y = -6
Now we can find x
4x+8y = -24
4x +8(-6) = -24
4x -48= -24
Add 48 to each side
4x -48+48 = -24+48
4x = 24
Divide each side by 4
4x/4 = 24/4
x =6
Ответ:
hope i helped!