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Blababa [14]
3 years ago
6

Solve the proportion?

Mathematics
1 answer:
BartSMP [9]3 years ago
6 0
2x-4 = 4x+ 16

-20= 2x

x=10

1) cross multiply and distribute
2)move the x to one side, and the numbers without the x to the other, be sure to change signs
3)solve
4)x=?

use the top 4 steps for all of the questions like this

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If f(x)=5x-2 and g(x)=2x+1, find (f+g)(x)<br> A.7x-3 <br> B.3x-1 <br> C.7x-1 <br> D.4x-3
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(f+g)(x) = 7x -1  (Answer C)

Step-by-step explanation:

Rewrite these two functions, one above the other, for ease in adding:

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

(f+g)(x) = 7x -1


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