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kotykmax [81]
3 years ago
14

3s+7=S+5 Please help me

Mathematics
2 answers:
sammy [17]3 years ago
6 0
3s+7=S+5
-7 -S
2s = -2
S= -1
Dimas [21]3 years ago
3 0
3s + 7= s + 5
3s + 7 - s  = 5
2s + 7  = 5 
2s = 5 - 7
2s =  -2
s = -2/2
s = -1

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Answer:

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8 0
3 years ago
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In around of golf, the lowest score wins. At the end of a round you have score -3 and your friend has score -4. Who won the roun
scoray [572]

Answer: The friend won the round.

Step-by-step explanation:

We want to find the lowest score.

The lowest score means the smallest value.

With intergers, as the number gets farther away from zero to the left, the smaller the value is. The middle number is zero on a number line. The numbers to the left of zero are negative. The number to the write of zero are positive.

As you move to the left on the number line, the numbers get smaller. As you move to the right on  a number line, the values get bigger

Since -4 is farther away from zero to the left on a number line than -3, -4 is smaller.

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3 0
3 years ago
Substitute this equation x+3y=18 & -x-4y=-25
sveticcg [70]

Answer:

 {x,y} = {3/7,-43/7}

Step-by-step explanation:

System of Linear Equations entered :

  [1]    x + 3y = -18

  [2]    -x + 4y = -25

Graphic Representation of the Equations :

   3y + x = -18        4y - x = -25  

 

 

Solve by Substitution :

// Solve equation [1] for the variable  x  

 

 [1]    x = -3y - 18

// Plug this in for variable  x  in equation [2]

  [2]    -(-3y-18) + 4y = -25

  [2]    7y = -43

// Solve equation [2] for the variable  y  

  [2]    7y = - 43  

  [2]    y = - 43/7  

// By now we know this much :

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// Use the  y  value to solve for  x  

   x = -3(-43/7)-18 = 3/7  

Solution :

{x,y} = {3/7,-43/7}

5 0
3 years ago
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iragen [17]

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7 0
2 years ago
I need help finding the mean, median, and mode(s) I need help with number 7
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Answer:

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7 0
3 years ago
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