Question

5(x+1)+5(x-1)=26

Answer 1

This is a typical one-variable equation - $5(x+1)+5(x-1)=26 \to 5x+5+5x-5=26 \to10x=26\to x=\frac{26}{10}\to x=\frac{13}{5}$

Answer: $x=\frac{13}{5}$