HELP!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Gnesinka [82]2 years ago

7 0

Answer:

Step-by-step explanation: set the two equations equal to each other. 5-2x=-4x+9 and you'd get x=2. insert 2 into the expression, and you'd get 1. to find the perimeter, a triangle has 3 sides. 1+1+1 =3

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