Question

4174-(х-568)=2005.
45*(x+99)=1368
(x+1255):203=21​

Answer 1

4174-(х-568)=2005

4174-х+568=2005

-х=2005-4174-568

-х=-2737

х=2737

45*(x+99)=1368

45х+4455=1368

45х=1368-4455

45х=-3087

х=(-3087):45

х=-68,6

(x+1255):203=21​

х+1255=21•203

х+1255=4263

х=4263-1255

х=3008