1000- ( 501 x + 19 x ) = 480;

Question

1000- ( 501 x + 19 x ) = 480;

Answer 1

1000-(501х+19х)=4801000-520х=480520х=1000-480520х=520х=1

Answer 2

501x+19x = 1000-480
520x= 520
X= 520:520
Х=1