Mathematics
Mathematics, 22.11.2019 22:31, maggie9459

Solve by the linear combination method.

8x + 2y = 4
–4x + 3y = –10

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Answers: 1
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Answer quickly. 1. solve by the linear combination method. 3x – 5y = 7 2x + 3y = 30 (3, –7) (9, 4) (3, 7) (–3, –7) 2. solve by the linear combination method. 2x + 3y = –17 5x + 2y = –4 (3, –1) (–2, 2) (–1, 3) (2, –7) 3. solve by the linear combination method. x + y = 50 0.05x + 0.06y = 2.8 (20, –50) (10, 30) (20, 30) (40, 60) 4. solve by the linear combination method. 8g – 5h = 7 4g + 10h = 1 (-3/4, -1/5) (-3/4, 1/5) (3/4, -1/5) (3/4, 1/5)
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Mathematics, 03.10.2019 02:20, sl1010
Solve systems of two linear equations by using the linear combination method1). 3x+2y=6 -6x-3y=-62). 7x-4y=-3 2x+y=153). 5x+6y=-16 2x+10y=54). -15x-2y=-31 4x+6y=115). 7x+2y=-3 -14x-4y=66). -5x+2y=-10 3x-6y=-18solve using either algebraic method (substitution or combination) 1). x-y=3 -2x+2y=-62). -3x+y=11 5x-2y=-163). x-4y=-3 -3x+8y=-14). -3x+7y=6 5x-y=105). 3x-7y=20 -11x+10y=56).4x+9y=-10 -8x-12y=87). -x+5=17 2x-10y=-34
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Solve by the linear combination method.

8x + 2y = 4
–4x + 3y = –10...

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