Respuesta :

Suryansh357
10x + 10

=2(2x+9+3x-4)
=2(5x+5)
=10x+10
Angelina1113

Answer:

10x+10

Step-by-step explanation:

perimeter is when you add up all four sides. rectangles have two sets of equal lengthed sides. so 2x+9 + 2x+9 + 3x-4 + 3x-4

then you just combine like terms.

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