Question

Which of the following values in the set {1,2,3,4} is a solution to the equation 3x + 3 =15?

Answer 1

`4`

Explanation:

`3x + 3 = 15 \\ 3x = 15 - 3 \\ 3x = 12 \\ (3x)/(3) = (12)/(3) \\ x = 4`

hope this helps you..!

Answer 2

Good morning ☕️

Answer:

4

Explanation:

Let’s first solve the equation:

3x + 3 =15 ⇔ 3x = 15 - 3 ⇔ 3x = 12 ⇔ x = 4

then

the equation 3x + 3 =15 has a unique solu which is 4.

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