Question $1(1$ point$)$

The image shows the partial layout of a small steel framed extension. The main beams support a precast concrete floor and screed having a dead weight of $3\mathrm{.}5$ kPa $.$ The live load to be supported by the floor is $5\mathrm{.}0$ kPa $.$ The design bending moment moment in the main beam is $\backslash (\backslash \{\backslash \{$x$\backslash \}\backslash \}\backslash ).$

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