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netineya [11]
3 years ago
10

Solve the following equation for x. 5/8x +4 = 3/8x + 12​

Mathematics
2 answers:
Rudik [331]3 years ago
5 0

Answer:

X= 32

Step-by-step explanation:

rodikova [14]3 years ago
3 0

5/8x+4=3/8x+12

We move all terms to the left:

5/8x+4-(3/8x+12)=0


Domain of the equation: 8x!=0

x!=0/8

x!=0

x∈R



Domain of the equation: 8x+12)!=0

x∈R


We get rid of parentheses

5/8x-3/8x-12+4=0

We multiply all the terms by the denominator


-12*8x+4*8x+5-3=0

We add all the numbers together, and all the variables

-12*8x+4*8x+2=0

Wy multiply elements

-96x+32x+2=0

We add all the numbers together, and all the variables

-64x+2=0

We move all terms containing x to the left, all other terms to the right

-64x=-2

x=-2/-64

x=1/32
Hope this helped:)
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Answer:

x= 3 +\sqrt{23}, 3 -\sqrt{23}

Step-by-step explanation:

You use the quadratic formula to get x= \frac{18+6\sqrt{23} }{6} ,\frac{18-6\sqrt{23} }{6}

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If LN = 6x - 5, LM = x + 7, and MN = 3x + 20, find MN.<br> A.68<br> B.16<br> C.23<br> D.18
borishaifa [10]

Answer : The correct option is (A) 68.

Step-by-step explanation :

As we are given that:

LN = 6x - 5

LM = x + 7

MN = 3x + 20

Now we have to determine the value of MN.

According to the question:

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Now putting all the given values in this expression, we get:

6x - 5 = (x + 7) + (3x + 20)

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