(х-364)+219=408 (х+694)-719=764

Question

(х-364)+219=408 (х+694)-719=764

Answer 1

(х-364)+219=408

х-364=408-219

х-364=189

х=189+364

х=553

 

(х+694)-719=764

х+694=719+764

х+694=1483

х=1483-694

х=789