Question

Calculati: 4(x+3)+2(2x-2)=5x+14

Answer 1

Se rezolva astfel:

$4x+12+4x-4 = 5x + 14 \\ 8x-5x = 14+4-12 \\ 3x = 6 \\ x = \frac{6}{3} \\ x = 2$

Answer 2

4x+4*3+4x-2*2=5x+14           
4x+12+4x-4=5x+14
8x+12-4=5x+14
8x-5x=14-12+4
3x=6
x=6:3
x=2