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Andre45 [30]
3 years ago
11

2x + 8y = 6 -5x - 20y = -15

Mathematics
1 answer:
kodGreya [7K]3 years ago
7 0

Answer:

The total would be 40.53

Or

Solve for the first variable in one of the equations, then substitute the result into the other equation.

x  =  3  −  4 y

Step-by-step explanation:

This question is incomplete so

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13. Answer: n ≥ 108

<u>Step-by-step explanation:</u>

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************************************************************************************

14. Answer: x > -4

<u>Step-by-step explanation:</u>

 -3x <  12

<u>÷(-3) </u>  <u>÷(-3) </u>

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Note: No line under the inequality symbol represents an open dot

Graph: -4 o-----------→

4 0
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