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#40355

linear equations

angles

medium

43 sec

In the figure, line $q$ is parallel to line $r$ , and both lines are intersected by line $s$ . The acute angle between line $s$ and line $q$ measures $7 2^{\circ}$ , and the interior angle on line $r$ on the same side of the transversal measures $y^{\circ}$ . If $y = 3 x - 15$ , what is the value of $x$ ?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.