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zlopas [31]
3 years ago
13

Show your reasoning. 2y=x-4 4x + 3y = 5 PLS HELP

Mathematics
1 answer:
Gemiola [76]3 years ago
7 0

Answer:

(2,-1)

divide both sides of the first equation by 2 to get y by itself. this gets you y=x/2-2

then plug that into the other equation:

4x+3(x/2-2)=5

SImplify that to get:

4x+3x/2-6=5

Add 6 to both sides:

4x+3x/2=11

give 4x a denominator of 2 as well:

8x/2+3x/2=11

add them:

11x/2=11

multiply both sides by 2/11 to get:

x=22/11 which simplifies to x=2

plug x into first equation:

2y=(2)-4

simplify:

2y=-2

divide both sides by 2 to get:

y=-2/2 which is the same as -1

x=2

y=-1

answer: (2,-1)

I hope this helps

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Find out more at: brainly.com/question/21835898

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Which value is a solution of the inequality -x + 5 < 7? (SELECT ALL THAT\ APPLY)
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5) -5+5<7=0<7 TRUE

7)-7+5<7=--2<7 TRUE

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Read 2 more answers
Solve the following equations.<br> ln(x + 2) + ln(x − 2) = ln(9x − 24)
chubhunter [2.5K]

Answer:

x = 4 and, x = 5

Step-by-step explanation:

Data provided:

ln(x + 2) + ln(x − 2) = ln(9x − 24) .............(1)

Now,

from the properties of natural log, we have

ln(A) + ln(B) = ln(AB)

applying the above property in the equation given, we get

ln(x + 2) + ln(x − 2) = ln((x + 2)(x - 2))

or

ln(x + 2) + ln(x − 2) = ln(x² - 2²)

on substituting the above result in the equation (1)

ln(x² - 2²) = ln(9x − 24)

taking the anti-log both sides, we get

(x² - 2²) = (9x − 24)

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x² - 4 - 9x + 24 = 0

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4 years ago
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