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X+3y=1 -5x+4y=-24 Can Someone please answer this for me ?

X+3y=1 -5x+4y=-24 Can Someone please answer this for me ?
94.7k views
2 votes
X+3y=1
-5x+4y=-24
Can Someone please answer this for me ?

User Edison Biba
by
8.2k points

1 Answer

2 votes
1x + 3y = 1 ⇒ 4x + 12y = 4
-5x + 4y = -24 ⇒ -15x + 12y = -72
19x = 76
19 19
x = 4
x + 3y = 1
4 + 3y = 1
- 4 - 4
3y = -3
3 3
y = -1
(x, y) = (4, -1)
User Alexander Zimin
by
8.8k points
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