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il63 [147K]
3 years ago
11

-4(4x + 4) + 7(1 + 9x)

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

Answer:

47x -9

Step-by-step explanation:

-4(4x + 4) + 7(1 + 9x)\\\\\mathrm{Expand}\:-4\left(4x+4\right):\quad -16x-16\\=-16x-16+7\left(1+9x\right)\\\\\mathrm{Expand}\:7\left(1+9x\right):\quad 7+63x\\=-16x-16+7+63x\\\\\mathrm{Simplify}\:-16x-16+7+63x:\\\quad 47x-9

SVEN [57.7K]3 years ago
4 0

Answer:

47x - 9

Step-by-step explanation:

-4(4x + 4) + 7(1 + 9x)

-16x -16 + 7 + 63x

47x -9

You can find what x = because there is no = sign. This is in simplest form.

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