t/2+t/3=5 solve for t
\(\dfrac{t}{2}+\dfrac{t}{3}=5|\cdot6\\ 6\cdot\dfrac{t}{2}+6\cdot\dfrac{t}{3}=6\cdot5\\ 3t+2t=30\\ 5t=30|\div5\\ t=\dfrac{30}{5}\\t=6\)