Answered

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Solve each system by elimination. Show work for answer

4x+9y=5
-4x +7y=11

Sagot :

sunitadangol1234

Answer:

adding both equations

4x+9y=5

-4x+7y=11

+ + =+

________

0 +16y=16

y=1

putting the value of y in first eqn

4x+9×1=5

4x=5-9

4x=-4

x=-1

so the x is -1 and y is 1

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