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max2010maxim [7]
3 years ago
15

Y = 5x + 2

Mathematics
2 answers:
fgiga [73]3 years ago
7 0
<h3>Answer: The solution of the system of equations is (1,7).</h3>

Step-by-step explanation: Given system of equations

y = 5x + 2 and

3x = –y + 10.

Substituting y= 5x+2 in second equation, we get

3x = -(5x+2) +10.

Distributing minus sign in (5x+2), we get

3x= -5x-2+10.

3x = -5x + 8.

Adding 5x on both sides, we get

3x+5x = -5x+5x +8

8x = 8.

Dividing both sides by 8, we get

8x/8 = 8/8

x = 1.

Plugging x=1 in first equation, we get

y = 5(1) +2

y = 5+2=7.

<h3>Therefore, the solution of the system of equations is (1,7).</h3>

Blizzard [7]3 years ago
4 0
To solve this problem you must apply the proccedure shown below:
 1. You have the following system of equations:
 y=<span>5x+2
 3x=-y+10
 2. Substitute y=5x+2 into the second equation, as following:
 3x=-y+10
 </span>3x=-(5x+2)+10
<span> 3. Solve for x:
 3x=-5x-2+10
 3x+5x=8
 x=8/8
 x=1
 4. Substitute the value of x into the first equation:
 </span>y=5x+2
<span> y=5(1)+2
 y=7
 The answer is the last option: (1,7)</span>
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see explanation

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8 0
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Answer:

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Answer:

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75           97

65           90

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