Respuesta:
[tex]a)6x + 30 - 5x = 25 \\ x + 30 = 25 \\ x = 25 - 30 \\ x = - 5[/tex]
[tex]b)x - 4 - 3x = - 10 + 6 \\ - 2x - 4 = - 4 \\ - 2x = - 4 + 4 \\ - 2x = 0 \\ x = 0[/tex]
[tex]c)3x + 2x = 8x - 15 \\ 5x = 8x - 15 \\ 15 = 8x - 5x \\ 15 = 3x \\ 5 = x[/tex]
[tex]d)5x - 15 = 4x + 16 \\ 5x - 4x = 16 + 15 \\ x = 31[/tex]
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Respuesta:
[tex]a)6x + 30 - 5x = 25 \\ x + 30 = 25 \\ x = 25 - 30 \\ x = - 5[/tex]
[tex]b)x - 4 - 3x = - 10 + 6 \\ - 2x - 4 = - 4 \\ - 2x = - 4 + 4 \\ - 2x = 0 \\ x = 0[/tex]
[tex]c)3x + 2x = 8x - 15 \\ 5x = 8x - 15 \\ 15 = 8x - 5x \\ 15 = 3x \\ 5 = x[/tex]
[tex]d)5x - 15 = 4x + 16 \\ 5x - 4x = 16 + 15 \\ x = 31[/tex]