Răspuns :
Răspuns:
a) x=7 b) x=1950
Explicație pas cu pas:
a) 18x+24=150
=> 18x=150-24
=> 18x=126
=> 126:18=x => x=7
b) (x:5+210):100=6
=> x:5+210=100×6
=> x:5+210=600
=> x:5=600-210
=> x:5=390 => x=390×5 => x=1950
Răspuns:
[tex]\it\:a)\: 18x+24=150\Rightarrow18x=150-24\Rightarrow18x=126\Rightarrowx=126:18\Rightarrow\boxed{x=7}\\\\\\b)\:(x:5+210):100=6\\\\(x:5+210) = 6\cdot100\\\\x:5+210=600\\\\x:5=600-210\\\\x:5=390\\\\x = 390\cdot5\\\\\boxed{\it x=1950}[/tex]