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ddd [48]
3 years ago
15

8x+5=4x-13 how so i solve this?

Mathematics
2 answers:
zzz [600]3 years ago
4 0
8x+5=4x-13 \\
4x=-18\\
x=-\frac{18}{4}=-\frac{9}{2}
ddd [48]3 years ago
3 0
8x+5=4x-13
-5. -5
-------------------
8x=-18+4x
-4x. -4x
-----------------
4x=-18
÷4. ÷4

x= -4.5
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Alexandra [31]

a=x squared or x times itself

4 0
3 years ago
I am greater than 4 tens and less than 5 tens I have 9 ones
aliina [53]

4 tens = 40 and 5 tens = 50 … therefore the number has to be between 40 and 50

So: 40 < x <50 … this says that x is greater than 40 and less than 50

 

So the possible numbers would be: 41,42,43,44,45,46,47,48,49

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4 0
3 years ago
Find the missing length indicated. Leave your answer in simplest radical form.
musickatia [10]

Answer:

1). x = 81

2). x = 84

Step-by-step explanation:

1). By applying geometric mean theorem in the given triangle,

   \frac{x}{18\sqrt{14}}= \frac{18\sqrt{14}}{56}

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2). By applying geometric mean theorem,

    \frac{x}{8\sqrt{21}}= \frac{8\sqrt{21} }{16}

    16x = (8√21)²

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6 0
2 years ago
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Fantom [35]
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3 0
3 years ago
Question 1<br> Simplify this expression.<br> 100<br> 10
Natali [406]

Answer:

Divide by 10

Step-by-step explanation:

Explain the question more clearly, but from what i got 100 ÷ 10 = 10

6 0
3 years ago
Read 2 more answers
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