caitlyn2584 caitlyn2584
  • 30-03-2019
  • Mathematics
contestada

Solve the equation 5(x-2)=7(x+4) for x

Respuesta :

Аноним Аноним
  • 30-03-2019

Answer:

[tex]\boxed{\bold{x=-19}}[/tex]

Step By Step Explanation:

Expand [tex]\bold{5\left(x-2\right): \ 5x-10}[/tex]

Expand [tex]\bold{7\left(x+4\right): \ 7x+28}[/tex]

[tex]\bold{5x-10=7x+28}[/tex]

Add 10 To Both Sides

[tex]\bold{5x=7x+38}[/tex]

Subtract 7x From Both Sides

[tex]\bold{5x-7x=7x+38-7x}[/tex]

Simplify

[tex]\bold{-2x=38}[/tex]

Divide Both Sides By -2

[tex]\bold{\frac{-2x}{-2}=\frac{38}{-2}}[/tex]

Simplify

[tex]\bold{x=-19}[/tex]

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