Question

Надо решить 4(x+2)=3 -7=5(x+5) 4(x+6)=x

Answer 1

1)4(x + 2) = 3
   4x + 2 = 3
   4x = 1
     x = 0.25
2)-7 = 5 (x+5)
   -7 = 5x + 5
   -12 = 5x
    x = -2 2/5
3)4(x+6) = x
   4x + 6 = x
   3x = -6
     x = -2