T0imLawoo1Bone T0imLawoo1Bone

08-09-2016
Mathematics

Answered

solve the following system of equations:3x − 2y = 66x − 4y = 12

Verified Answer :

texaschic101 texaschic101

08-09-2016

3x - 2y = 66
x - 4y = 12....multiply by -3
---------------
3x - 2y = 66
-3x + 12y = - 36 (result of multiplying by -3)
---------------add
10y = 30
y = 30/10
y = 3

3x - 2y = 66
3x - 2(3) = 66
3x - 6 = 66
3x = 66 + 6
3x = 72
x = 72/3
x = 24

solution is : (24,3)

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