Question

Solve the equation. Check for extraneous solutions.

9|9 – 8x| = 2x + 3

Answer 1

solve two equations
\[9(9-8x)=2x+3\] and \[9(9-8x)=-2x-3\]

Answer 2

just curious before we start
is that first 9 for real, or is it a typo?

Answer 3

forreal

Answer 4

ok then first one gives
\[81-72x=2x+3\]
\[81=74x+3\]
\[78=81x\]
\[x=\frac{78}{81}\]
are you sure? in any case second one is similar

Answer 5

yea im sure it just didnt seem right when i did it. so i wanted to see how other people did it..