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b) (3x)/10 - (x + 1)/5 = (x + 3)/2 + (2x + 3)/5 - 1 1/10​

B 3x10 X 15 X 32 2x 35 1 110 class=

Răspuns :

Răspuns:

Explicație pas cu pas:

(3x)/10 - ²⁾(x + 1)/5 = ⁵⁾(x + 3)/2 + ²⁾(2x + 3)/5 - 1 1/10​  <=>

3x/10 - (2x+2)/10 = (5x+15)/10 + (4x+6)/10 - (1·10 +1)/10 <=>

3x - 2x - 2 = 5x + 15 +4x + 6 - 11 =>

x - 2 = 9x +10  =>

9x-x = -2-10  => 8x = -12  I : 4  => 2x = -3 =>

x = -3/2