57×(500-x)=11457 16912÷x=7890-7834

Question

57×(500-x)=11457 16912÷x=7890-7834

Answer 1

57*(500-x)=11457
500-x=11457:57
500-x=201
x=500-201
x=299

16912:x=7890-7834
16912:x=56
x=16912:56
x=302