7th grade math
posted by CJ .
Write and simplify an expression for the perimeter of the triangle. side A)3x, side B) 5x-4 and side C)2x+5.
First, start out by simply adding the sides together into a single equation:
Next, combine like items:
3x+5x+2x = +10x
-4+5 = +1
That would leave you with:
That is as simplified as it gets, so that means you have your answer now.