Resposta :
Olá!!!
Resposta...
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2x + 200 . 6 - 9 = 9
2x + 1200 - 9 = 9
2x + 1191 = 9
2x = -1182
2x/ 2 = -1182/ 2
x = -591


Olá!!!
___________________________
2x + 200 . 6 - 9 = 9
2x + 1200 - 9 = 9
2x + 1191 = 9
2x = -1182
2x/ 2 = -1182/ 2
x = -591