Register

If m= 7x and m = 3x + 20, what is the value of x? a 10 4 7 5

If m= 7x and m = 3x + 20, what is the value of x? a 10 4 7 5
43.5k views
3 votes
If m= 7x and m = 3x + 20, what is the value of x? a 10 4 7 5

User Zack Butcher
by
8.3k points

1 Answer

3 votes
Equate the expressions for m.
7x = 3x + 20
4x = 20 . . . . . . . subtract 3x
x = 20/4 = 5 . . . divide by 4

The value of x is 5.
User Alexander Arendar
by
7.8k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!