audreyburkett12 audreyburkett12

16-02-2017
Mathematics

Answered

Solve the system using elimination

2x+3y=9

x+5y=8

A.(0,3)

B.(-2,2)

C.(-1/2,10/3)

D.(3,1)

Verified Answer :

texaschic101 texaschic101

20-02-2017

2x + 3y = 9
x + 5y = 8....multiply by -2
----------------
2x + 3y = 9
-2x - 10y = -16 (result of multiplying by -2)
---------------add
-7y = - 7
y = -7/-7
y = 1

x + 5y = 8
x + 5(1) = 8
x + 5 = 8
x = 8 - 5
x = 3

solution is (3,1)

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