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Dominik [7]
3 years ago
11

Combining like terms with negative coefficients and distribution -5(3x+10)-2(4x-5) ?

Mathematics
1 answer:
N76 [4]3 years ago
5 0

Answer:

-23x-40

Step-by-step explanation:

  • -5(3x+10)-2(4x-5)
  • -15x-50-8x+10
  • -23x-40
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In order of blank boxes going from left to right then down will be 1, 9, 5, 75, 35.

The missing table is given below.

<h3>What are ratio and proportion?</h3>

A ratio is a collection of ordered integers a and b represented as a/b, with b never equaling zero. A proportionate expression is one in which two items are equal.

Shawn is collecting money from students at his school for a charity.

The table gives the ratios of the number of students who have donated and the amount of money he has collected from them.

Since 30 is 1/3 of 90, we know the ratio is 1:3.

In order of blank boxes going from left to right then down

1, 9, 5, 75, 35

The complete table is attached below.

More about the ratio and the proportion link is given below.

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Answer:

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Step-by-step explanation:

7 0
3 years ago
Solve for x. -1/2 (x+5)=2x -3/2
Amiraneli [1.4K]

Start from

-\dfrac{1}{2}(x+5)=2x -\dfrac{3}{2}

It may be useful to multiply the whole expression by 2, in order to get rid of denominators:

-(x+5)=4x -3

Distribute the negative sign in the left hand side:

-x-5=4x -3

Move all terms involving x to the left, and all constants to the right:

-x-4x=-3+5

Sum like terms:

-5x=2

DIvide both sides -5:

x = -\dfrac{2}{5}

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