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Tresset [83]
3 years ago
5

(5.67x - 8.16)+(3.6x + 9.2) you dont have to find x you only have to simplify it

Mathematics
1 answer:
ivolga24 [154]3 years ago
6 0

Answer:

Step-by-step explanation:

5.67x - 8.16 + 3.6x + 9.2

Write the like terms together

= 5.67x + 3.6x - 8.16 + 9.2  

{8.16 & 9.2 have different sign, so subtract and the result will have the bigger numbers sign}

= 9.27x + 1.04

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Answer:

1) We have the system:

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2) Now we have the system:

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The solution method is the same as before:

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Now we replace this in the other equation:

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3*x + 3*y = 39

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first we isolate x in the first equation:

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x = 13 - 5.6 = 7.4

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2 years ago
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