$\frac{a}{7} + \frac{5}{7} = \frac{2}{7} \\ \frac{a + 5}{7} = \frac{2}{7} \\ 7(\frac{a + 5}{7}) = 7(\frac{2}{7})$
a + 5 = 2
a + 5 - 5 = 2 - 5
a = -3

Hope this helps! :)

4 0

3 years ago

Twenty minutes to six in the evening on a 24 hour clock

Taya2010 [7]

Answer:

1740 is the time on a 24 hour clock or military time

6 0

2 years ago

Cheryl thinks that the

liubo4ka [24]

Answer:

yes she is right

Step-by-step explanation:3x + 3 is the same as 3 + 3x.

the zero adds nothing to the 3x term. So this means that 3x +3 and 3 + 3 are the same.

i hope this helps you.

3 0

2 years ago

If x=3 calculate the value of x3-x

Dmitrij [34]

$x^3-x=3^3-3= \\\\ =27-3= \\\\ =\boxed{24}$

6 0

2 years ago

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