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How do you solve the equation 3k - 7 = 11?

a. k = 6
b. k = 6/3
c. k = 18
d. k = -18

1 Answer

7 votes

Final answer:

To solve the equation 3k - 7 = 11, add 7 to both sides and then divide by 3, which gives k = 6. The correct choice is option a.

Step-by-step explanation:

The correct answer is option a. To solve the equation 3k - 7 = 11, you first add 7 to both sides of the equation to isolate the term with the variable k on one side. This gives us:

3k - 7 + 7 = 11 + 7

3k = 18

Next, you divide both sides of the equation by 3 to solve for k:

3k / 3 = 18 / 3

k = 6

So, k equals 6, and the correct choice is option a: k = 6.

To solve the equation 3k - 7 = 11, you need to isolate the variable k.

Add 7 to both sides of the equation: 3k - 7 + 7 = 11 + 7.

Combine like terms: 3k = 18.

Divide both sides by 3: 3k/3 = 18/3.

Simplify: k = 6.

Therefore, the solution to the equation is k = 6.

User Ibrahim Ben Salah
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