• Matéria: Matemática
  • Autor: henriqueriko
  • Perguntado 5 anos atrás

6x + 13 = 31

7x - 24 =4

3x + 5x. = 32

6x + 3 = 21

Urgente!!!!​

Respostas

respondido por: dalyancristianny
1

6x + 13 = 31\\6x=31-13\\6x=18\\x=18/6\\x=3\\\\\\7x - 24 =4\\7x=4+24\\7x=28\\x=28/7\\x=4\\\\\\3x + 5x = 32\\8x=32\\x=32/8\\x=4\\\\\\6x + 3 = 21\\6x=21-3\\6x=18\\x=18/6\\x=3

Bons estudos!

Perguntas similares