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5a. n

5b. 2n

5c. n=5

6. B

Step-by-step explanation:

5a.  You are trying to find what n is, the variable.

5b. 2n

5c.  Add 3 on both sides.

2n=10

Divide by 2

n=5

6. Divide by 2/5 on both sides, or multiply by 5/2.

5/2 * 1/8 = 5/16

Hope this helps!

5.)

A.) variable is n

B.) coefficient is 2

D.) soultion is 5

6.) B. 5/16

y= 2x+7

changed to y= 5x +7

as slope is increased from 2 to 5

therefore it would be less steeper

so, option d) is correct