Question

Valor do x na equação 5x+3+2x-4+3x+8=-12

Answer 1

Resposta:

5x + 3 + 2x - 4 + 3x + 8= -12

<=> 10x + 3 - 4 + 8 = -12

<=> 10x + 7 = -12

<=> 10x= -12 - 7

<=> 10x= -19

<=> $x=-\frac{19}{10}$

<=> x= -1,9