Solving linear equations with fractions

  • 1 vote

ive completely forgotten how do to this - doing some work for A level maths induction, can anyone help? The / sign is representing a division line , thanks :)

Solve this equation

x + 3/3 + x - 4/2 = 1 

Posted Fri 22nd June, 2012 @ 18:45 by Lamise Hassan

2 Answers

  • 2 votes

The question can be written as:

1/3(x+3)+1/2(x-4)=1

Expand the brackets and simplify the terms:

1/3x+1+1/2x-2=1

5/6x-1=1

Isolate the x terms on one side:

5/6x=2

Solve to find x:

x=2/5/6

which simplifies to:

x=2x(6/5)

x=12/5

Answered Fri 22nd June, 2012 @ 21:53 by Amy
  • 0 votes

Thanks so much! My dad worked it out for me and it was the same, so im 200% percent sure bout it now! :D

Answered Sat 23rd June, 2012 @ 20:11 by Lamise Hassan