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viva [34]
4 years ago
12

What is 2/3(9+x)=5(4-x)

Mathematics
2 answers:
Elza [17]4 years ago
7 0

\frac{2}{3}<span>(9+x)=<span>5(4−x)</span></span>Simplify: 
(\frac{2}{3})(9)+(\frac{2}{3})(x)=(5)(4)+(5)(−x)(Distribute)
6+\frac{2}{3}<span>x=<span>20+−5x</span></span>\frac{2}{3}<span>x+6=<span><span>−5x</span>+<span>20
</span></span></span>Step 2: Add 5x to both sides.
\frac{2}{3}x+6+5x=−5x+20+5x
\frac{17}{3}x+6=<span>20
</span>Step 3: Subtract 6 from both sides.\frac{17}{3}<span><span><span>x+6</span>−6</span>=20−6</span>\frac{17}{3}<span>x=<span>14

</span></span><span>Step 4: Multiply both sides by </span>\frac{3}{17}<span>.
</span>(\frac{3}{17} ) · (\frac{17}{3}x ) = (\frac{3}{17})·(14) 
 Answer = (\frac{42}{17}
choli [55]4 years ago
3 0
The answer should be 6. hope this helped
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Simplifly the expression 5^0
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So  5^0  =  1 .

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3 years ago
The ratio of boys to girls in history class is 4 to 5. How many girls are in the class if there are 12 boys in the class. Show y
Natalija [7]
I believe its 15 girls.
If its 5 girls to every 4 boys and there is 12 boys then 12 is just 4 three times so you would do 5 three times making it 15.
4boys = 5girls
+4boys=  5girls
+4boys =  5girls
=12boys = 15girls
5 0
3 years ago
Find the difference.
Molodets [167]

Answer:

C. 14 and 2/3

8 0
3 years ago
Read 2 more answers
-10 - 6x = -46<br> How do i solve this for x
Mars2501 [29]

Answer:

-10-6x=-46

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4 0
3 years ago
Read 2 more answers
What is the solution of 2x/5−x/2=40 ?
mrs_skeptik [129]
2x/5 - X/2 = 40
LCD = 10

2•(2x/5) - 5•(X/2) = 40
4x/10 - 5x/10 = 40
4x-5x/10 = 40
-X/10 = 40
10•(-X/10) = 40 • 10
-X = 400
-X/-1 = 400/-1
X = -400.

I believe the solution is that X = -400.
7 0
4 years ago
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