Mathematics, 14.01.2020 00:31, haydenbell269
The table can be used to determine the solution of equations, 2x − 2y = 6 and 4x + 4y = 28.
a table with 6 columns and 2 rows. the first column, original system has 2 x minus 2 y equals 6 and 4 x plus 4 y equals 28. the second column, equivalent system, has 4 x minus 4 y equals 12 and 4 x plus 4 y equals 28. the third column, sum of equations in equivalent system, has 8 x equals 40. the fourth column, solution to system, is blank. the fifth column, new system using sum, has 4 x plus 4 y equals 28 and 8 x equals 40. the sixth column, solution to new system is blank.
which solution can be used to fill in both blanks in the table?
(2, 5)
(5, 2)
(5, −8)
(−8, 5)
Answers: 3
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The table can be used to determine the solution of equations, 2x − 2y = 6 and 4x + 4y = 28.
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