Mathematics, 27.11.2021 07:40 patience233
Solve the system of equations by substitution.
3x + y = 9z
-5x + 2y = -4z
What is the value for y from the first equation, that could be substituted into the second equation?
-9z + 3x
3z + 9x
9z - 3x
-3x - 9z
Answers: 1
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Mathematics, 21.06.2019 21:30
What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14
Answers: 2
Solve the system of equations by substitution.
3x + y = 9z
-5x + 2y = -4z
...
-5x + 2y = -4z
...
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