Question
$$5t+9 = 3t+15$$
Answer
$$ t = 3 $$
Explanation
$$ \begin{aligned} 5t+9 &= 3t+15&& \text{move the $ \color{blue}{ 3t } $ to the left side and $ \color{blue}{ 9 }$ to the right} \\[1 em]5t-3t &= 15-9&& \text{simplify left and right hand side} \\[1 em]2t &= 6&& \text{ divide both sides by $ 2 $ } \\[1 em]t &= \frac{6}{2}&& \\[1 em]t &= 3&& \\[1 em] \end{aligned} $$
This page was created using
Equations Solver