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Paha777 [63]
4 years ago
13

What is the answer to 5+5(x+4)≤20?

Mathematics
2 answers:
Nata [24]4 years ago
7 0
5+5\left( x+4 \right) \le 20\\ \\ 5\left\{ 1+\left( x+4 \right)  \right\} \le 20\\ \\ \frac { 1 }{ 5 } \cdot 5\left\{ 1+\left( x+4 \right)  \right\} \le 20\cdot \frac { 1 }{ 5 }

\ \\ 1+\left( x+4 \right) \le 4\\ \\ 1+x+4\le 4\\ \\ x+5\le 4\\ \\ x\le 4-5\\ \\ x\le -1
sashaice [31]4 years ago
7 0

5+5(x+4) \leq 20

5+5x+20 \leq 20

5+5x \leq 0

5(1+x) \leq 0

1+x  \leq  0

x \leq -1

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Answer:

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Step-by-step explanation:

Every linear equation follows this structure:

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y is the y value

x is the x value

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Firstly, we have to get the y term on one side by itself.

6x + y = -1

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Secondly, we make it so the y term is just the y value.

The first equation is already like this, so we don't need to do anything to that.

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÷ -5  ÷ -5

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y = -6x - 1

y = 2/5x - 1/5

If the slopes are the same and the y-intercepts are different, they are parallel. However, the slopes are different, therefore they are not parallel.

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