Question

por favor , me ajudem !!!

Answer 1

f) (x+3)/6=(x+8)/5 (regra de três) f=> 5x+15=6x+48 => 5x-6x=48-15 => x=-33 g) x/2 + 2/3=2x/2+4/5 (mmc) => (3x+4)/6=(10x+8)/10 => x=-4/15 h) x/4+x/2=3/3+2 (mmc) => (x+2x)/4=3 => x=4