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Yanka [14]
3 years ago
12

I really need an answer fast

Mathematics
1 answer:
VLD [36.1K]3 years ago
6 0

x=-7

We can write them both like functions like this

A= 5x -4

B= 3x +8

Where

x=input

A=Output A

B=Output B

We want the output of A 3 times the output of B this can be written like this:

A= 3b

we replace with the functions

5x-4 = 3(3x+8)

solve for x and you get -7

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