SOLUTION: x-0.05x=19 0.2a=0.05a+3 x/x+5=2/3 3/a+1/2=11/5a x/2=3/2x+1

Algebra ->  Rational-functions -> SOLUTION: x-0.05x=19 0.2a=0.05a+3 x/x+5=2/3 3/a+1/2=11/5a x/2=3/2x+1      Log On


   

Question 375060: x-0.05x=19
0.2a=0.05a+3
x/x+5=2/3
3/a+1/2=11/5a
x/2=3/2x+1
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
x-0.05x=19 => 0.95x = 19 => x = 20.
0.2a=0.05a+3 => 0.15a = 3 => a = 20.

x/(x+5)=2/3 => 3x = 2(x+5) => 3x = 2x +10 => x = 10.

3/a+1/2=11/5a => 3/a + 0.5 = 2.2/a =>0.8/a = -0.5 => a = -1.6.

x/2=3/(2x+1) => x(2x+1) = 6 => 2x%5E2+%2B+x-6+=0 => (2x - 3)(x + 2) = 0, thus x = 3/2 or x = -2.