Testing123guest
  • Testing123guest
help and look
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
Testing123guest
  • Testing123guest
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texaschic101
  • texaschic101
6 - a = 1/3(9a - 18) -- distribute through the parenthesis 6 - a = 3a - 6 -- subtract 3a from both sides 6 - a - 3a = -6 -- subtract 6 from both sides -a - 3a = -6 - 6 -- combine terms -4a = -12 a = -12/-4 a = 3 no need to go further....when it ends in " a = something " or " x = something " then there is only 1 solution. So the answer is A
Testing123guest
  • Testing123guest
u rock can u help me with 4 more plz

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texaschic101
  • texaschic101
ask away :)
Testing123guest
  • Testing123guest
cool i will tag u so i can also medal u
texaschic101
  • texaschic101
I am not worried about medals...you can ask the q right here if you want
Testing123guest
  • Testing123guest
cool because my computer is slow
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texaschic101
  • texaschic101
4x + 2(x - 3) = 8x + 12 4x + 2x - 6 = 8x + 12 6x - 6 = 8x + 12 this will end up with only 1 solution
Testing123guest
  • Testing123guest
so A again
texaschic101
  • texaschic101
yes
Testing123guest
  • Testing123guest
cool here
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texaschic101
  • texaschic101
4(2x - 3) - 4x = 8x - 12 - 4x = 4x - 12...it is A
Testing123guest
  • Testing123guest
it said chose exactly two
texaschic101
  • texaschic101
wait...I read it wrong...give me a sec A is not 1 solution...it is infinite solutions...so not A 4x - 12 = 3x - 4 -- one solution for B 4x - 12 = 3(2x - 6) 4x - 12 = 6x - 18 --- one solution for C 4x - 12 = 4(x - 5) 4x - 12 = 4x - 20 --- 0 solutions for this one...so it is not D answers are : B and C
texaschic101
  • texaschic101
sorry about that :(
Testing123guest
  • Testing123guest
its cool okay one last one are u ready i am very bad at this
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Testing123guest
  • Testing123guest
i will be right back i got to use the restroom
texaschic101
  • texaschic101
identity equation is where there is infinite solutions. contradiction equation means there is no solutions. 8x + 24 = 2(4x + 12) 8x + 24 = 8x + 24 --- infinite solutions....identity 5x + 18 - x = 2(2x + 8) 4x + 18 = 4x + 16 .... no solution....contradictory 7(3x - 2) = 20x - 13 21x - 14 = 20x - 13 -- one solution......neither 3x + 2(x - 10) = 5(x - 4) 3x + 2x - 20 = 5x - 20 5x - 20 = 5x - 20.....infinite solutions....identity
texaschic101
  • texaschic101
tag me if you need more help :)

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