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3 years ago

Simplify the expression: -6(-x + 3) – 2x.

Mathematics

2 answers:

iren [92.7K]3 years ago

5 0

Answer:

6x+-18-2x

6x+2x+18

8x+18

Step-by-step explanation:

gizmo_the_mogwai [7]3 years ago

4 0

Answer:

4x-18

Step-by-step explanation:

-6(-x + 3)–2x

first u expand =6x-18-2x

then u add up the like terms

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2 years ago

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A basic variable in a linear system is a variable that corresponds to a pivot column in the coefficient matrix.Is this statement

Naya [18.7K]

Answer:

The given statement is true.

Step-by-step explanation:

A basic variable in a linear system is a variable that corresponds to a pivot column in the coefficient matrix.

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4 years ago

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3 years ago

what TRANSFORMATIONS take place to the parent graph f(x)= log(x) to achieve the graph g(x)=log(-2x-4)+5?

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3 years ago

A farmer had twice as many chickens as ducks on his farm. After he sold 166 chickens and ducks, he had half as many chickens as

mamaluj [8]

Answer:

The farmer have at first 202 chickens.

Step-by-step explanation:

Given:

A farmer had twice as many chickens as ducks on his farm. After he sold 166 chickens and ducks, he had half as many chickens as ducks left.

Now, to find the chickens farmer have at first.

Let the chickens be $x.$

And, the ducks be $y.$

As, the farmer had twice as many chickens as ducks on his farm.

So, $x=2y$ ......(1)

As, given the farmer after selling 166 chickens and ducks, he had half as many chickens as ducks left.

According to question:

$x-166=(y-29)\times \frac{1}{2}$

$x-166=\frac{y-29}{2}$

Substituting the value of $x$ from equation (1) we get:

$2y-166=\frac{y-29}{2}$

By cross multiplying we get:

$4y-332=y-29$

Adding both sides 332 we get:

$4y=y+303$

Subtracting both sides by $y$ we get:

$3y=303$

Dividing both sides by 3 we get:

$y=101.$

Now, to get the number of chickens substituting the value of $y$ in equation (1):

$x=2y\\\\x=2\times 101\\\\x=202.$

Therefore, the farmer have at first 202 chickens.

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3 years ago