3 years ago

Use elimination to find the solution to the system of equations. 9x + 2y = 59

Mathematics

2 answers:

disa [49]3 years ago

5 0

Answer:

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-BARSIC- [3]3 years ago

4 0

Answer:

Step-by-step explanation:

9x + 2y = 59 -> 9x = 59 - 2y -> x = (59-2y)/9

2x + 5y = 4 -> 2(59-2y)/9 + 5y = 4 -> (118 - 4y)/9 +5y = 4

118 - 4y + 45y = 4*9 -> 41y = -82 -> y = -2, thus x = 7

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