Choose the system of equations which matches the following graph: x+2y= −10 3x − y = 12 2) x − 2y = −10 3x − y = 12 3) x + 2y =
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3x + 22 is the equation that represents the perimeter of the triangle. 4x + 10 is the perimeter of the rectangle. Setting the two equal:
and collecting like terms:
We find that the perimeter of both shapes is equal to 11 units.
and collecting like terms:
We find that the perimeter of both shapes is equal to 11 units.