kleecarol kleecarol

28-11-2017
Mathematics

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use elimination to find the solution to the system of equations 4x+y=8
3×-2y=6

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texaschic101 texaschic101

28-11-2017

4x + y = 8.....multiply by 2
3x - 2y = 6
---------------
8x + 2y = 16 (result of multiplying by 2)
3x - 2y = 6
---------------add
11x = 22
x = 22/11
x = 2

4x + y = 8
4(2) + y = 8
8 + y = 8
y = 8 - 8
y = 0

solution is : (2,0) <==

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