Respuesta:
[tex]18 + ( \times - 4) = 5( \times + 1) \\ 18 + \times + = 5 \times + 5 \\ \times - 5 \times = 5 - 14 \\ - 4 \times = - 9 \\ \times \ \frac{9}{4} [/tex]
espero haberte ayudado.
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Respuesta:
[tex]18 + ( \times - 4) = 5( \times + 1) \\ 18 + \times + = 5 \times + 5 \\ \times - 5 \times = 5 - 14 \\ - 4 \times = - 9 \\ \times \ \frac{9}{4} [/tex]
espero haberte ayudado.
saludos
18+x-4=5x+5
18-4-5=5x-x
9=4x
X=9/4