# Chapter 10 - Review Exercises - Page 486: 23

$(3,5)$

#### Work Step by Step

To solve, we multiply each equation by a number that will make one of the variables cancel when the equations are added. Thus, we multiply the top equation by 1 and the bottom equation by -4 and add to find: $-11y = -55 \\ y =5$ We now solve for x: $x + 2(5) = 13 \\ x =3$

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