Question

rezolva ecuatia 2(×+4)+3(×-2)+4(5-×)=100​

Answer 1

Răspuns:

a) [(x2)-4]: 3=60 (x2)-4 60*3

x / 2 = 180 + 4

x = 184 * 2

X = 368

b) ((x+2):3]:4):5=1 [(x + 2) / 3] / 4 =1^ * 5

(x+2):35 4 x + 2 =20^ * 3

x=60-2 x = 58

c) [[(x+2): 3] 4): 5-100 lceil (x + 2) :37^ * 4=100^ * 5 (x+2): 3500:4

x + 2 =125^ * 3 x = 375 - 2

x = 373

Answer 2

2x+8+3x-6+20-4x=100
x+8-6+20=100
x+22=100
x=100-22
x=78