Asked by CD
Given the system of equations, what is the solution?
x + 2y = 7
x - 2y = -1
{(-4, 6)}
{(-8, -12)}
{(3, 2)}
x + 2y = 7
x - 2y = -1
{(-4, 6)}
{(-8, -12)}
{(3, 2)}
Answers
Answered by
Anonymous
x + 2y = 7
x - 2y = -1
-------------- add
2 x + 0 = 6
x = 3
well, only one of those choices starts with x = 3
x - 2y = -1
-------------- add
2 x + 0 = 6
x = 3
well, only one of those choices starts with x = 3
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