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algol13
3 years ago
9

What is the simplified form of x+8/4-x+5/4

Mathematics
2 answers:
balu736 [363]3 years ago
8 0

combine

3

4

and  

x

.

3

x

4

+

5

8

=

4

x

Move all terms containing  

x

to the left side of the equation.

Tap for more steps...

−

13

x

4

+

5

8

=

0

Subtract  

5

8

from both sides of the equation.

−

13

x

4

=

−

5

8

Multiply both sides of the equation by  

−

4

13

.

−

4

13

⋅

(

−

13

x

4

)

=

−

4

13

⋅

(

−

5

8

)

Simplify both sides of the equation.

Tap for more steps...

x

=

5

26

The result can be shown in multiple forms.

Exact Form:

x

=

5

26

Decimal Form:

x

=

0.1

¯¯¯¯¯¯¯¯¯¯¯¯

923076

kap26 [50]3 years ago
5 0

Answer:

Step-by-step explanation:

x+ 8/4 -x+ 5/4

= x+2+-x +5/4

Combine Like Terms:

x+2+-x+ 5/4

(x+x)+ ( 2 +5/4)

= 13/4

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3 years ago
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How do i calculate? All the way to s_75. It’s so long
mina [271]

Answer:

  -675

Step-by-step explanation:

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\displaystyle S_{75}=\sum\limits_{n=1}^{75}{(67-2n)}=\sum\limits_{n=1}^{75}{67}-2\sum\limits_{n=1}^{75}{n}\\\\=75\cdot 67-2\dfrac{75(75+1)}{2}=75(67-76)\\\\=\bf{-675}

__

Another way to do this is to realize the sequence of numbers is an arithmetic sequence with a first term of 65 and a last term of 67-2·75 = -83.

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