audreyburkett12 audreyburkett12

16-02-2017
Mathematics

Answered

Solve system using elimination

3x +3y = 27

x-3y=-11

A.(8,1)

B.(3,6)

C.(6,3)

D.(4,5)

Verified Answer :

texaschic101 texaschic101

16-02-2017

3x + 3y = 27
x - 3y = -11
----------------add
4x = 16
x = 16/4
x = 4

3x + 3y = 27
3(4) + 3y = 27
12 + 3y = 27
3y = 27 - 12
3y = 15
y = 15/3
y = 5

solution is (4,5)

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