Question

Qual o valor de x na equação 8x - 30 = 51 - x?

Answer 1

$\sf{8x-30=51-x}$

$\sf{8x+x=51+30}$

$\sf{9x=81}$

$\sf{x=81/9}$

$\sf{x=9}$

Answer 2

Oie, Td Bom?!

8x - 30 = 51 - x

8x + x = 51 + 30

9x = 81

x = 81/9

x = 9

Att. Makaveli1996