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nordsb [41]
2 years ago
12

- 8x + 64 = 56-X what’s the answer

Mathematics
2 answers:
Readme [11.4K]2 years ago
6 0

Step-by-step explanation:

two answers either

x = 8

or

 x = -1

notsponge [240]2 years ago
6 0
X is equal to 8/7 fraction
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Answer:

A=-4 B=-8 C=8

Step-by-step explanation:

If you need to check these answers multiply the answer by the second number.

A) -4x-3=12  A negative times a negative is always positive.

B)-8x9=-72 A negative times a positive is a negative.

C) 8x-2=-16 A negative times a positive is a negative.

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Lelu [443]

Answer:

2

Step-by-step explanation:

{ {a}^{b} }^{c}  =  {a}^{bc } \\ in \: this \: case \\  { ({8}^{n}) }^{3}  =  {8}^{3n}  \\ \\  {8}^{3n}  =  {8}^{6 }  \\ 3n = 6 \\ n =  \frac{6}{3}  = 2

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2 years ago
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hram777 [196]

Answer:

a) x = -10

b) x = 7

Step-by-step explanation:

a)

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x = -10

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20x - 18x = 6 + 8

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2 years ago
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