Respuesta:
[tex]x = \frac{28}{9} [/tex]
Explicación paso a paso:
[tex]45x + 40 \: = \: 180[/tex]
[tex]45x = 180 - 40[/tex]
[tex]45x = 140 [/tex]
Saludos ^^
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Respuesta:
[tex]x = \frac{28}{9} [/tex]
Explicación paso a paso:
[tex]45x + 40 \: = \: 180[/tex]
[tex]45x = 180 - 40[/tex]
[tex]45x = 140 [/tex]
[tex]x = \frac{28}{9} [/tex]
Saludos ^^