How many solutions does this equation have:

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

3 0

5x + 3 - 13x + 4 = -4x + 10 -1

9x-13x+7=9
-4x=2
X=-1/2
One solution

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Select 3 expressions that have a sum or difference of 3 /4 .

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The Three expressions that have a sum or difference of 3 /4 .

B . 11/12 − 1/6

C. 3/5 + 3/20

E . 2/3 + 1/12

Step-by-step explanation:

The Three expressions that have a sum or difference of 3 /4 .

are

B . 11/12 − 1/6

$\dfrac{11}{12}-\dfrac{1}{6}=\dfrac{11}{12}-\dfrac{1\times 2}{6\times 2}\\\\\dfrac{11}{12}-\dfrac{1}{6}=\dfrac{11}{12}-\dfrac{2}{12}=\dfrac{11-2}{12}=\dfrac{9}{12}=\dfrac{3}{4}$

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C. 3/5 + 3/20

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