#### Answer

$2t+2$

#### Work Step by Step

This problem deals with combining like terms. Like terms are terms that have the same variable raised to the same power.
Now, back to the problem. Remember, if terms are like terms, we can add or subtract these terms just like we add or subtract numbers. Because 6t and -4t are like terms, we can add them to simplify the expression to: 2t+2.