Patrick B. answered 02/04/19
Tutor
4.7
(31)
Math and computer tutor/teacher
3m + 1 = 4m - 6
1 = m - 6 <--- subtracts 3m from both sides
7 = m <--- adds 6 to both sides
check:
3(7) + 1 = 21 + 1 = 22
4(7) - 6 = 28 - 6 = 22
m=7