Posted by brandon on Wednesday, September 1, 2010 at 5:09pm.
The sides of a triangle have measures of x, x, and y, and the perimeter of the triangle is 46. The measure y is 4 centimeters longer than the measure x. Write two equations which represent the two sentences.
Solve the system you wrote for this using any technique.

algebra  Reiny, Wednesday, September 1, 2010 at 5:11pm
easy ...
x+x+y = 46
y = x+4
I would use substitution to solve