Respuesta :

emanshahzadi929

Answer:

3 cm

Step-by-step explanation:

Find the value of x:

[tex]5-2x=-4x+9[/tex]

[tex]-2x+4x=-5+9[/tex]

[tex]2x=4[/tex]

[tex]x=4/2[/tex]

[tex]x=2[/tex]

Find one side of the triangle by adding 2 as the value x:

[tex]=5-2x[/tex]

[tex]=5-2(2)[/tex]

[tex]=5-4[/tex]

[tex]=1[/tex]

Perimeter of the triangle:

1 × 3 = 3cm

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