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Enter the value for x that makes the equation 3x – 5 = 7x - 21 true.

Enter the value for x that makes the equation 3x – 5 = 7x - 21 true.
asked 61.6k views
3 votes
Enter the value for x that makes the equation 3x – 5 = 7x - 21 true.

asked
User Pamphile
by
7.9k points

2 Answers

3 votes
Answer:4


Step by step solution:

3x-5=7x-21
-5=4x-21
16=4x
x=4
answered
User RickHigh
by
8.3k points
1 vote

Answer:

4

Explanation:

3x-5=7x-21

3x-7x=5-21

-4x=-16 ( divide by -4 both sides)

x= 4

answered
User Ethesx
by
7.8k points
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