Question

7 - (2x + 11) + 3(3 - x) = 20

Answer 1

\(\Large 7 - (2x + 11) + 3(3 - x) = 20\)
\(\Large 7-2x-11+9-3x=20\)
\(\Large -5x+5=20\)
\(\Large 5x=5-20=-15\)
\(\Large x=\frac{-15}{5}=-3\)