SOLUTION: simplify the expression using "fraction busters" 2m/m+1 minus the fraction 2/m+1 =4

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: simplify the expression using "fraction busters" 2m/m+1 minus the fraction 2/m+1 =4      Log On


   

Question 874699: simplify the expression using "fraction busters"
2m/m+1 minus the fraction 2/m+1 =4
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

2m%2F%28m%2B1%29+-+2%2F%28m%2B1%29+=+4 |Multiplying thru by (m+1) so as all denominators = 1

    2m - 2 = 4(m+1)

    2m - 2 = 4m + 4

       -6 = 2m

       -3 = m