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10-02-2015
Mathematics

contestada

What is the solution to the equation?

5x + 10 = –4x – 17

A.3

B.7

C.-3

D.-7/9

Respuesta :

10-02-2015

[tex]5x+10=-4x-17 \\ 5x+4x=-17-10 \\ 9x=-27 \\ x=\frac{-27}{9} \\ \boxed{x=-3} \Leftarrow \hbox{answer C}[/tex]

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