One side of a triangle is 3 more than 2 times the shortest side. The third side is 15 centimeters more than the shortest side. The perimeter is 70.

Question

this is for my nath class. There is a bunch of word problems I need help with. this has to do with perimeters 

Answer 1

s represents the length of the short side

2s - 3 represents the second side

s + 15 represents the third side

 

s + 2s - 3 + s + 15 = 70

 

Can you solve for s and answer?