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# Aops

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Find the ordered pair that solves the system $$(u,v)$$

$${ u = -7 -2v {3u = 4v - 25}$$

Oct 29, 2018

#1
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$$u = -7 - 2v\\ 3u = 4v - 25 \\ 3(-7-2v)=4v-25\\ -21-6v=4v-25\\ 4=10v \\ v=\dfrac 2 5 \\ u = -7 - 2\left(\dfrac 2 5\right) = -\dfrac{39}{5}$$

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Oct 29, 2018