3 years ago

The coefficient of -x is 1

Mathematics

1 answer:

juin [17]3 years ago

3 0

Answer:

it -1

Step-by-step explanation:

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Answer:

3 km

Step-by-step explanation:

<em>(NOTE: One kilometer is 1000 meters)</em>

Divide 3000 by 1000 to get 3

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26 - (2c + 4) = 2(C+6) +C<br> what is c

Zigmanuir [339]

Answer:

c = 2

Step-by-step explanation:

26 - (2c + 4) = 2(c+6) + c

26 - 2c + 4 = 2c + 12 + c

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3 years ago

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Is this right??? Please answer

lesya692 [45]

Answer:Yes its correct!(good job)

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your brother is 1.3 your age. your sister is 6 years older tahn your brother.Your sister is 10 years old. Write and solve a equa

Papessa [141]

Answer:

My age is 12 years.

Step-by-step explanation:

Given:

Sister's age = 10 years

Let my age be x.

Now according to question;

my brother's age is 1/3 of my age

So brother's age = $\frac{1}{3}x$

Also according to question;

my sister is 6 years older than my brother;

Sister's age = $6+\frac{1}{3}x$

Also given Sister's age = 10 years

hence equation to find my age will be expressed as below;

$6+\frac{1}{3}x = 10\\\\\frac{1}{3}x = 10-6\\\\\frac{1}{3}x = 4\\\\\therefore x = 4\times3 = 12$

Brothers age = $\frac{1}{3}x=\frac{1}{3}\times12=4$

Hence my age is 12 years.

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3 years ago