Question

а) 34х – 23х + 33*99 =3333 ;
б) (648 - у) : 12 =50.

Answer 1

$1)34x-23x+33*99=3333; \ 11x=3333-3267=66; \ x=6. \ 2)(648-y):12=50; \ 648-y=50*12=600; \ -y=600-648; \ -y=-48; \ y=48.$