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3 years ago

HELP

Mathematics

2 answers:

cestrela7 [59]3 years ago

7 0

Answer:

9/4

Step-by-step explanation:

2(x - 10) + 4 = -6x + 2

2x - 20 + 4 = -6x + 2

2x - 16 = -6x + 2

8x - 16 = 2

8x = 18

x = 18/8 or 9/4

Phoenix [80]3 years ago

6 0

Answer:

the answer is C

Step-by-step explanation:

2(x-10) +4 = -6x + 2

2x-20 +4= -6x +2

2x-16 = -6x+2

+16 = +16

______________

2x = -6x + 18

+6x = +6x +18

_____________

8x =18

have a nice day and I really hope it help

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weeeeeb [17]

Answer:

Step-by-step explanation:

Alright, lets get started.

$8\frac{1}{2}-3\frac{1}{?}=5\frac{3}{12}$

These are mixed number given.

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Converting mixed numbers into fractions.

$\frac{17}{2}-x=\frac{63}{12}$

Adding x in both sides

$\frac{17}{2}=x+\frac{63}{12}$

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Making common denominator

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$x=\frac{39}{12}$

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In mixed number form:

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So comparing with given equation, the '?' sign will be equal to 4.

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3 years ago

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Answer:

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3 years ago

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Answer:

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