Respuesta:
0.5=x
Explicación paso a paso:
3x+4=7x+2 /-2
3x+4-2=7x+2-2
3x+2=7x /-3x
3x-3x+2=7x-3x
2=4x / ÷4
[tex] \frac{2}{4} = \frac{4x}{4} [/tex]
comprobación
3×0.5+4=7×0.5+2
1.5+4=3.5+2
5.5=5.5
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Respuesta:
0.5=x
Explicación paso a paso:
3x+4=7x+2 /-2
3x+4-2=7x+2-2
3x+2=7x /-3x
3x-3x+2=7x-3x
2=4x / ÷4
[tex] \frac{2}{4} = \frac{4x}{4} [/tex]
0.5=x
comprobación
3×0.5+4=7×0.5+2
1.5+4=3.5+2
5.5=5.5