Respuesta :

-2.5=P+7.1

We want to isolate P.

Hence, we must move 7.1 to the left hand side, this can be given by

[tex]-2.5-7.1=P[/tex]

that is, since 7.1 is adding to P on the right hand side, when you move it to the left hand side

7.1 must substract -2.5.

Finally, since

[tex]-2.5-7.1=-9.6[/tex]

we have that

[tex]P=-9.6[/tex]

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