Respuesta :

Given:

[tex]0.0007x+0.28=0.7[/tex]

To solve for x:

On solving we get,

[tex]\begin{gathered} 0.0007x+0.28=0.7 \\ 0.0007x=-0.28+0.7 \\ 0.0007x=-0.21 \\ x=-\frac{0.21}{0.0007} \\ x=-300 \end{gathered}[/tex]

Hence, the value of x is -300.

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