Respuesta :

Subtract -2x then add 3 to 7 then -2x = 10 divide both sides by 2 x = -5
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[tex] - 3 = - 2x + 7[/tex]

Subtract sides -7

[tex] - 3 - 7 = - 2x + 7 - 7[/tex]

[tex] - 10 = - 2x[/tex]

Negatives simplifies

[tex]10 = 2x[/tex]

Divide sides by 2

[tex] \frac{10}{2} = \frac{2}{2}x \\ [/tex]

[tex]x = 5[/tex]

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