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3x+(-4)=2x+9

Guest May 23, 2017
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 #1
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To solve this for x.....

3x + (-4) = 2x + 9

3x - 4 = 2x + 9

 

Add 4 to both sides of the equation.

3x = 2x + 9 + 4

3x = 2x + 13

 

Subtract 2x from both sides of the equation.

3x - 2x = 13

x = 13

hectictar  May 23, 2017
 #2
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12=6/7x

Guest May 23, 2017
 #3
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12 = \(\frac67\)x

 

Multiply both sides of the equation by \( \frac76 \)

 

12 * \( \frac76 \) = \(\frac67 \)x * \( \frac76 \)

 

14 = x

hectictar  May 23, 2017
 #4
avatar+80 
0

The answer is x=13

mathguardian23  May 23, 2017

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