Breann solved the system of equations below. what mistake did she make in her work?
2x...
Mathematics, 18.11.2019 16:31, jeftegerman988
Breann solved the system of equations below. what mistake did she make in her work?
2x + y = 5
x â 2y = 10
y = 5 â 2x
x â 2(5 â 2x) = 10
x â 10 + 4x = 10
5x â 10 = 10
5x = 20
x = 4
2(4) + y = 5
y = â3
Answers: 1
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