[tex]18 x +4x =56\\22x = 56\\x=\frac{56}{22} = \frac{28}{11}[/tex]
Resultado:
[tex]x= \frac{28}{11}[/tex]
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Verified answer
[tex]18 x +4x =56\\22x = 56\\x=\frac{56}{22} = \frac{28}{11}[/tex]
Resultado:
[tex]x= \frac{28}{11}[/tex]