joshschoenn joshschoenn

27-07-2016
Mathematics

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2x + 5y = 10 2x + 3y = 6

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texaschic101 texaschic101

27-07-2016

2x + 5y = 10....multiply by -1
2x + 3y = 6
---------------
-2x - 5y = -10 (result of multiplying by -1)
2x + 3y = 6
---------------add
-2y = - 4
y = -4/-2
y = 2

2x + 5y = 10
2x + 5(2) = 10
2x + 10 = 10
2x = 10 - 10
2x = 0
x = 0

solution : (0,2)

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