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Q.
If $7x + 3 < 5x + 9$ then $x \in $
Linear Inequalities
Solution:
We have $7x + 3 < 5x + 9$ or $2x < 6$ or $x < 3$
Thus, all real numbers which are less than $3$ is the solution set of the given inequality i.e., $x \in (-\infty$, $3)$.