LukeneedhelpInMath LukeneedhelpInMath
  • 01-02-2019
  • Mathematics
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Advanced algebra help me answer it

Advanced algebra help me answer it class=

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bandnerd1 bandnerd1
  • 01-02-2019
I'm not good at math but I have an idea I got 1.71
I took the parenthesis away and put 7x+3 2 = 9 2
subtracted 49x to 7x and got -42x
I put -42x+9=81
subtracted 9 on both sides and got 72
divided -42x÷-42 = 72÷-42
And then I got -1.71 but I don't know so yeah
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