SOLUTION: 7/2 = -2 + y 2/7x7/2 + 2/7x-2 1 + -4/7 y= -3/7 is this correct?

Algebra ->  Equations -> SOLUTION: 7/2 = -2 + y 2/7x7/2 + 2/7x-2 1 + -4/7 y= -3/7 is this correct?      Log On


   



Question 644344: 7/2 = -2 + y
2/7x7/2 + 2/7x-2
1 + -4/7 y= -3/7 is this correct?

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

7%2F2+=+-2+%2B+y........both sides multiply by 2 to eliminate denominator
%287%2F2%292+=+-2%2A2+%2B+y%2A2

%287%2Fcross%282%29%29cross%282%29+=+-2%2A2+%2B+y%2A2
7+=+-4+%2B+2y....add 4 to both sides
7%2B4+=+-4+%2B4%2B+2y
7%2B4+=+-cross%284%29+%2Bcross%284%29%2B+2y
11=+2y
11%2F2=+y
5.5=+y