Question

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Answer 1

first divide the equation by 9

Answer 2

then use this theorem
\[ \large |a|=b\Leftrightarrow\begin{cases}
b\geq0\\\text{and}\\ a=\pm b
\end{cases} \]

Answer 3

solve these two equatios : (2/9)x+1/3= 9-8x and (2/9)x+1/3=-9+8x

Answer 4

I got 39/37 and 6/5

Answer 5

u got it

Answer 6

thank you!

Answer 7

u r welcome

Answer 8

\[\left| x \right|=+x and -x\]i think u got it correct but i didn't calculate it, concept is