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Mathematics
Lukas
12 July, 07:25
3x+6y=6
2x-3y=4
Solve the system of equations
+3
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Celia Bird
12 July, 10:28
0
(3x+6y=6) x 2
(2x-3y = 4) x 3
Subtract them:
(6x+12y = 12)
- (6x - 9y = 12)
21y = 0
21 21
y = 0
Using this, we can say that:
3X+6 (0) = 6 or 3x = 6
2X-3 (0) = 4 or 2x = 4
So therefore, x must equal 2.
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