👤

(x+70×3)+312=401 afla numarul

Răspuns :

(x-70×3)+312=401
x-210=401-312
x-210=89
x=89+210
x=299
( x - 70 × 3 ) + 312 = 401 

x - 210 = 401 - 312

x - 210 = 89

x = 89 + 210

x = 299