Respuesta:
[tex] - (x + 4) = 3(x - 4) \\ - 4x = 3x - 12 \\ - 4x - 3x = - 12 \\ - 7x = - 12 \: \: \: ( - 1) \\ 7x = 12 \\ x = \frac{12}{7} [/tex]
[tex]4(2x + 3) = - (4 + 30) \\ 8x + 12 = - 34 \\ 8x = - 34 + 12 \\ 8x = - 22 \\ x = \frac{ - 22}{8} \\ x = \frac{ - 11}{4} [/tex]
espero que ayude coronita porfi
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Verified answer
Respuesta:
[tex] - (x + 4) = 3(x - 4) \\ - 4x = 3x - 12 \\ - 4x - 3x = - 12 \\ - 7x = - 12 \: \: \: ( - 1) \\ 7x = 12 \\ x = \frac{12}{7} [/tex]
[tex]4(2x + 3) = - (4 + 30) \\ 8x + 12 = - 34 \\ 8x = - 34 + 12 \\ 8x = - 22 \\ x = \frac{ - 22}{8} \\ x = \frac{ - 11}{4} [/tex]
espero que ayude coronita porfi