duiz tt2 , ( Review for lest # 2 /Spring 18) b Mat 90f 10 (0 complete) ? > es om

Question

duiz tt2 , ( Review for lest # 2 /Spring 18) b Mat 90f 10 (0 complete) ? > es ome Solve the tollowing system of equations by substitution or elimination. 8 9 x+ y=? Tests 9 8 4 2 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. ontents rganizer book Solutions There is one solution. The solution of the system is? (Simplify your answer. Type an ordered pair) A. am OB. 40 The solution set of the system is jx.y)xy 9 ° C. The solution set is? uccess Library tor Click to select and enter your answer(s) Answers to learn about entering answers with math notation

Explanation / Answer

8/9 x + y = 40/9

-1/8x - 3/4 y = -11/2

multipying equatiin 1 by 3/4

2/3 x + 3/4 y = 10/3

-1/8 x - 3/4 y = -11/2

--------------------------------

13/24 x = 29/12

x= -4

8/9 (-4) + y = 40/9

y = 8

A) there is one solution

solution set is ( - 4 , 8 )

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