29.9k views
1 vote
Which of the following is the solution of the equation 3x + 4=19 use substitution to identify the correct answer

2 Answers

3 votes
3 x+4=19
3 x=19-4
3 x=15
3 x/3=15/3
x=5
User ChangJoo Park
by
3.9k points
5 votes

Answer:

5

Explanation:

Step 1:

3x + 4 = 19

Step 2:

3x = 19 - 4

Step 3:

3x = 15

Answer:

x = 5

Hope This Helps :)

User AYETY
by
4.5k points