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-Dominant- [34]
3 years ago
14

Solve for x in the equation

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
6 0
X^2+4x-4=8
x^2+4x-4-8=0
x^2+4x-12=0
x^2+6x-2x-12=0
x(x+6)-2(x+6)=0
x+6=0   x-2=0
x=-6  x=2
  
hope this helps!

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kakasveta [241]
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What is the value of x?<br><br><br><br> Enter your answer in the box.<br><br> x =
FinnZ [79.3K]

Answer:

x = 12

Step-by-step explanation:

IMPORTANT: Both answers should add up to 180 if they dont you did it wrong!

(10x - 20) + (6x + 8 ) = 180 plug in 12 for both of them

(10 * 12 - 20) + 6 * 12 + 8) = 120

(120 - 20) + (72+ 8 ) = 180

(100) + (80) = 180

so x = 12

hope this  helps please make brainliest

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3 years ago
brandy is playing a game where she wins 50 points per round for 8 rounds. However, during the last round she gets penalized and
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2 years ago
How do I do this <br> X+y=-4<br> 3x-6y=15
avanturin [10]

Answer:

x=-1, y=-3. (-1, -3).

Step-by-step explanation:

x+y=-4

3x-6y=15

---------------

x=-4-y

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3 years ago
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Nope

Step-by-step explanation:

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