Răspuns:
~~~~X+4×3×7:2=8
X+84:2=8
X+42=8 /-42
X= - 34
~~~~X-78×32+12:5×7+67×8:9=34
X-2496+12:35+536:9=34
X-2508:35+59=34
X-71+59=34
X-12=34 /+12
X=46
~~~~2345×789+123:56-x+76=90
1.850.205+123:56-x+76=90
33041-x+76=90
33.117-x=90 /-33117
-x= - 33.027 /×(-1)
X=33027
Explicație pas cu pas:
Sper ca te am ajutat!!
