Carlysuefischer Carlysuefischer

13-12-2016
Mathematics

Answered

Solving systems by elimination what's the answer?

Solving systems by elimination what s the answer? class=

Verified Answer :

howudoing howudoing

13-12-2016

hmultiply 2nd eqn by three and and both 1st and new 2nd eqn

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texaschic101 texaschic101

13-12-2016

5x - 6y = 1
2x + 2y = 18....multiply by 3
--------------
5x - 6y = 1
6x + 6y = 54 (result of multiplying by 3)
--------------add
11x = 55
x = 55/11
x = 5

5x - 6y = 1
5(5) - 6y = 1
25 - 6y = 1
-6y = 1 - 25
-6y = -24
y = -24/-6
y = 4

solution is (5,4)

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