4 years ago

3x=105??? helppp please

Mathematics

1 answer:

natali 33 [55]4 years ago

7 0

Answer:

35 is the answer

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Jobisdone [24]

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x = 2

y = 3

Step-by-step explanation:

$\left \{ {{0.4x + 0.3y = 1.7} \atop {0.7x - 0.2y = 0.8}} \right.$

$\left \{ {{2(0.4x + 0.3y) = 2 * 1.7} \atop {3(0.7x - 0.2y) = 3 * 0.8}} \right.$

$\left \{ {{0.8x + 0.6y = 3.4} \atop {2.1x - 0.6y) = 2.4}} \right.$

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Ayuda con estos ejercicios

joja [24]

1. x=6
2. y=6
3. x=10
4. y=10

1.c+9= 19
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1. 2(3x2 - 5x3)
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