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[100-(32+x×6+11)]×(150-24×6+13×15-9×15)=2970

Răspuns :

EagleEyes
[100-(32+x×6+11)]×(150-24×6+13×15-9×15)=2970
(100 - ( 32 + 6x + 11))*(150-144+195-135)=2970
(100 - ( 43 + 6x)) * 66 = 2970
(100-43-6x)*66=2970
(57-6x)*66=2970
3762-396x = 2970
-396x = 2970 - 3762
-396x = - 792
x = - 792 : ( -396)
x = 792 : 396
x = 2