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Oxana [17]
3 years ago
5

Can you show me how to do Thisss.

Mathematics
1 answer:
frez [133]3 years ago
8 0
x=0.\overline{3}\\
10x=3.\overline{3}\\
10x-x=3.\overline{3}-0.\overline{3}\\
9x=3\\
x=\dfrac{3}{9}=\dfrac{1}{3}\\\\
x=-0.\overline{2}\\
10x=-2.\overline{2}\\
10x-x=-2.\overline{2}-(-0.\overline{2})\\
9x=-2.\overline{2}+0.\overline{2}\\
9x=-2\\
x=-\dfrac{2}{9}\\\\
x=1.\overline{7}\\
10x=17.\overline{7}\\
10x-x=17.\overline{7}-1.\overline{7}\\
9x=16\\
x=\dfrac{16}{9}=1\dfrac{7}{9}

x=-2.\overline{6}\\
10x=-26.\overline{6}\\
10x-x=-26.\overline{6}-(-2.\overline{6})\\
9x=-26.\overline{6}+2.\overline{6}\\
9x=-24\\
x=-\dfrac{24}{9}=-2\dfrac{2}{3}\\\\
x=0.4\overline{6}\\
10x=4.\overline{6}\\
100x=46.\overline{6}\\
100x-10x=46.\overline{6}-4.\overline{6}\\
90x=42\\
x=\dfrac{42}{90}=\dfrac{7}{15}

x=-1.8\overline{3}\\
10x=-18.\overline{3}\\
100x=-183.\overline{3}\\
100x-10x=-183.\overline{3}-(-18.\overline{3})\\
90x=-183.\overline{3}+18.\overline{3}\\
90x=-165\\
x=-\dfrac{165}{90}=-1\dfrac{5}{6}
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Step-by-step explanation:

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10+5-7=3y<br><br> -10x+5x+5=-15<br><br> 3x+2x-4x+10<br><br> pre algebra 8th grade math
jasenka [17]

Answer:

1) y=8/3=2 2/3   2) x=4    3) x+10

Step-by-step explanation:

1) 10+5-7=3y

Calculate the sum or difference.

8=3y

Swap the sides of the equation.

3y=8

Divide both sides by 3.

y=8/3=2 2/3

2) -10x+5x+5=-15

Collect like terms.

-5x+5=-15

Move the constant to the right-hand side and change the sign.

-5x=-15-5

Calculate the difference.

-5x=-20

Divide both sides by -5.

x=4

3) 3x+2x-4x+10

Collect like terms.

(3+2-4)x+10

Calculate the sum or difference.

1x+10

When the term has a coefficient of 1, it doesn't have to be written.

x+10

Hope this helps :)

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2 years ago
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Bas_tet [7]

Answer:

he pays $18.19 hope this helps have a nice day please give me brainliest

Step-by-step explanation:

8 0
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