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Andreas93 [3]
4 years ago
8

Solve for x (30+x)+30+9x=360

Mathematics
1 answer:
UkoKoshka [18]4 years ago
7 0

Answer:

x=30

Step-by-step explanation:

(30+x)+30+9x=360

We move all terms to the left:

(30+x)+30+9x-(360)=0

We add all the numbers together, and all the variables

(x+30)+9x+30-360=0

We add all the numbers together, and all the variables

9x+(x+30)-330=0

We get rid of parentheses

9x+x+30-330=0

We add all the numbers together, and all the variables

10x-300=0

We move all terms containing x to the left, all other terms to the right

10x=300

x=300/10

x=30

   

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Answer:

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Step-by-step explanation:

12x − 18y = 27  

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Multiply the second equation by -3 so we can eliminate x

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Add the first equation to this new equation

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RoseWind [281]

Answer:

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Step-by-step explanation:

P(x) has infinitely many solutions, but I am going to find the easiest one, which would be a linear equation.

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Now that we know P(x), we can directly plugin 2 to find out P(2):

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Step-by-step explanation:

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