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Zina [86]
3 years ago
12

PLEASE HELP!!! WILL GIVE THANKS AND BRAINLIEST!! −12x+14x−6x if x=129.

Mathematics
2 answers:
IceJOKER [234]3 years ago
7 0

Answer:

-516

Step-by-step explanation:

Way #1

<u>Step 1:  Plug in x into the equation</u>

-12(129) + 14(129) - 6(129)

-1548 + 1806 - 774

-516

Answer:  -516

Way #2

<u>Step 1:  Or the other way is to simply the equation then plug x in.</u>

-12(x) + 14(x) - 6(x)

-18x + 14x

-4x

<u>Step 2:  Then plug in x</u>

-4(129)

-516

Answer:  -516

Anna11 [10]3 years ago
6 0
Plug 129 for x
(-12 x 129)+(14 x 129)-(6 x 129)
Which would be -1548+1806-774
Which equals -516
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