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vodomira [7]
3 years ago
5

Answer -3(x+4)+15 = 6-4x

Mathematics
2 answers:
beks73 [17]3 years ago
8 0
X=3

That’s the answer
olya-2409 [2.1K]3 years ago
4 0

Answer:

x =3

Step-by-step explanation:

-3(x+4)+15 = 6-4x\\\\\mathrm{Expand\:}-3\left(x+4\right)+15:\quad -3x+3\\-3x+3=6-4x\\\\\mathrm{Subtract\:}3\mathrm{\:from\:both\:sides}\\-3x+3-3=6-4x-3\\\\Simplify\\-3x=-4x+3\\\\\mathrm{Add\:}4x\mathrm{\:to\:both\:sides}\\-3x+4x=-4x+3+4x\\\\Simplify\\x=3

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