Question

a) 7+4×(x:4-18)=26
b)286+(a-113):5=142
c) [93:(x:3)-16×4]×6=186
va rog! dau coroana am nevoie pana la 20:00!​

Answer 1

Răspuns:

a) 7+4x:16-72=26

7+x\4-72=26

x\4-65=26

x\4=26+65

x\4=91

x=91x4

x=364

b)(a-113):5=142-286

a-113=-144x5

a=-720

c)93:(x:3)-16x4=186\6

93:(x:3)-64=31

93:(x:3)=31+64

x:3=95x93

x=8835x3

x=26505