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can someone solve 5 + 2x = + 6

and n - 3n = 14 - 4n

and 7 ( 5a - 4 ) - 1 = 14 - 8a

Sagot :

Answer:

5 + 2x = 6

2x = 6-5

2x = 1

x = 0.5

n -3n = 14 -4n

-2n = 14-4n (since 4n is negative, change the sign to make it positive and then add 4n to both sides of the equation)

2n = 14

n = 7

7 (5a - 4) - 1 = 14 - 8a

35a - 28 - 1 = 14 -8a

35a -29 = 14 - 8a

43a = 43

a = 1

Dzelalgrahovic2007idn

Step-by-step explanation:

1.

5 + 2x = + 6

2x=6-5

2x=1

[tex]x \ = \frac{1}{2} [/tex]

2.

n - 3n = 14 - 4n

-2n= 14 -4n

-2n+4n=14

2n=14

n=7

3.

7(5a - 4 ) - 1 = 14 - 8a

35a-28-1=14-8a

35a-29=14-8a

35a+8a=14+29

43a=43

a= 1

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