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6e+8f=38

6e+3f=18

 

what is E?

what is F?

 May 16, 2015

Best Answer 

 #1
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+5

1. 6e+8f=38

2. 6e+3f=18 *(-1)

------------

1. 6e+8f=38

2. -6e-3f=-18

--------------

(then you subtract 1. and 2.)

5f=20

f=4

(then replace f in 1. equation)

6e+8*4=38

6e=38-32

6e=6

e=1

 May 16, 2015
 #1
avatar
+5
Best Answer

1. 6e+8f=38

2. 6e+3f=18 *(-1)

------------

1. 6e+8f=38

2. -6e-3f=-18

--------------

(then you subtract 1. and 2.)

5f=20

f=4

(then replace f in 1. equation)

6e+8*4=38

6e=38-32

6e=6

e=1

Guest May 16, 2015

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