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Alex
3 years ago
9

Two equations are given below:

Mathematics
1 answer:
vovikov84 [41]3 years ago
3 0
You can fill the second in in the first to get an equation with only b:

(b-2) - 3b = 22 =>

-4b-2 = 22 =>

-4b = 24

b = -6

a = -6-2 = -8

So (-8,-6) is the answer.
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Pleaseeeeeeeeee helppp!!! I will mark brainliest!!
Arada [10]

Answer:

Fourth Quadrant

Step-by-step explanation:

a>0 = a is a positive number = +y

b<0 = b is a negative number = -x

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[positive, negative] is on the fourth quadrant

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3 years ago
Solve the system of equations 4x+5y=-1 and -5x-8y=10 by combining the equations.
Flura [38]

The solutions to the given system of equations are x = 6 and y = -5

<h3>Simultaneous linear equations</h3>

From the question, we are to solve the given system of equations

The given system of equation is

4x+5y=-1

-5x-8y=10

Multiply the <u>first equation</u> by 5 and the <u>second equation</u> by 4

5× (4x+5y=-1)

4× (-5x-8y=10)

20x + 25y = -5

-20x - 32y = 40

------------------------

0x + (-7y) = 35

-7y = 35

y = 35/-7

y = -5

Substitute the value of y into the first equation to find x

4x + 5y = -1

4x + 5(-5) = -1

4x -25 = -1

4x = -1 +25

4x = 24

x = 24/4

x = 6

Hence, the solutions to the given system of equations are x = 6 and y = -5

Learn more on Simultaneous linear equation here: brainly.com/question/12647791

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3 0
1 year ago
Help me please. I’m dying of frustration
KiRa [710]

I've answered this before, but only partially. I'm not sure about the second part, but I think the first one is 10

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The answer is above

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