Question 95204
{{{10/(x+5)=5/(x-12)}}}
multiply (x+5) and (x-12) times both sides. 10(x-12)=5(x+5)
10x-120=5x+25 subtract 5x from both sides. 5x-120=25
add 120 to both sides. 5x=145
divide 5 into both sides. x=29
Ed Jones