-76,3×(х-6)=0; -2,5×(5,7+х)=0; (12,3+х)×10=0

Question

-76,3×(х-6)=0; -2,5×(5,7+х)=0; (12,3+х)×10=0

Answer 1

1) -76.3х+457.8=0
-76.3х=-457.8
х=6
2) -14.25-2.5х=0
-2.5х=14.25
х=-5.7
3) 123+10х=0
10х=123
х=12.3