Question

| 4x - 2 | = 14

va rog ^ - ^

Answer 1

|4x-2|=14
Cazul 1: 4x-2=14
4x=16
x=16:4=4

Cazul2: 4x-2=-14
4x=-12
x=-12:4=-3

x={4; -3}

Answer 2

$4x - 2 = 14 \\ 4x = 14 + 2 \\ 4x = 16 \\ x = 16 \div 4 \\ x = 4 \\ \\ 4x - 2 = - 14 \\ 4x = - 14 + 2 \\ 4x = - 12 \\ x = - 12 \div 4 \\ x = - 3 \\ x =(4 \: si - 3)$