Question

I need help in the setup teacher wants a guess and check table for the word problem. Just the set up I need help on . Please

a wood board 156 cm long is cut into three pieces.the two longer pieces are the same length and are 15 cm longer than the shortest piece. How long are the three parts?

Answer 1

Let x = length of longer pieces

2x + (x-15) = 156

Solve for x.