Question

а) x/3=+3x/5=4-x/15 б) 5-x/2-x/4=x+x/3

Answer 1

$frac{x}{3}+frac{3x}{5}=4-frac{x}{15}\5x+9x=60-x\15x=60\x=4\5-frac{x}{2}-frac{x}{4}=x+frac{x}{3}\60-6x-3x=12x+4x\25x=60\x=2,4$