For the following system, use the second equation to make a substitution for y in the first equation.
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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.