solutia ecuatiei

9x-5(x+4)=7(x-8)-24+x este​


Răspuns :



9x-5(x+4)=7(x-8)-24+x = =9x-5x-20=7x-56-24+x =
4x-20=8x-80 =
4x-8x=-80+20=
=-4x=-60
x=15