3 years ago

How would you describe the solution to this system of equations?

Mathematics

2 answers:

VladimirAG [237]3 years ago

8 0

I’m sorry but this man ^^^ failing math AND English
Reference****

Amanda [17]3 years ago

3 0

Answer:

reffrents a number

Step-by-step explanation:

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Combine like terms to simplify -1(2/7b + 9) -8

Rus_ich [418]

Simplify 2/7b to 2b/7

-1 × (2b/7 + 9) - 8

Simplify 1 × (2b/7 + 9) to (2b/7 + 9)

-(2b/7 + 9) - 8

Simplify brackets

-2b/7 - 9 - 8

Collect like terms

-2b/7 + (-9 - 8)

Simplify

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3 years ago

Anyone know what company has a greater rate per window and explain please.

Troyanec [42]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

List all the numbers from 1 to 100 that have 13 as a factor

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4 years ago

4x – 3y=8<br> 2. 5x – 2y = -11

AlladinOne [14]

Answer:

$x = -7$

$y = - 12$

Step-by-step explanation:

The given system is:

4x-3y=8

5x-2y=-11

We make x the subject in the top equation to get:

$x = \frac{3}{4}y + 2$

Plug this expression for x in the bottom equation to get

$5( \frac{3}{4}y + 2) - 2y= - 11$

We expand to obtain

$\frac{15}{4} y + 10 - 2y = - 11$

Multiply through by 4

$15y + 40 - 8y = - 44$

Group similar terms

$15y - 8y = - 44 - 40$

$7y = - 84$

$y = - \frac{84}{7} =-12$

This means

$x = -12\times \frac{3}{4} + 2$

$x = - 7$

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4 years ago