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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