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

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.

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.