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adelina 88 [10]
3 years ago
14

3x+4y=23 2y-x=-19 what is the solution (x,y) to the system of equations above?

SAT
1 answer:
Zanzabum3 years ago
3 0
3x+4y=23
2y-x= -19/ multiply -2

4y + 3x = 23
-4y - 2x = 38
_______________
X = 61

2y - x = -19
2y - 61 = -19
2y = 61 -19
2y = 42

Y = 21
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