Question

Hallar el valor de "x" 3[x – 2(x – 2) + 3(x + 5)] = –3(x + 2)

Answer 1

Respuesta:

x=–7

Explicación paso a paso:

3[x – 2(x – 2) + 3(x + 5)] = –3(x + 2)

3[x–2x+4+3x+15]=–3x–6

3[2x+19]=–3x–6

6x+57=–3x–6

6x+3x=–6–57

9x=–63

x=–63/9

x=–7