Final answer:
To simplify the expression 3t + 2g - t - 3g, you combine like terms, which results in the simplified expression 2t - g.
Step-by-step explanation:
To simplify the algebraic expression 3t + 2g - t - 3g, you combine like terms. Terms that contain the same variable or variables to the same power are like terms. In this case, the like terms are the 't' terms (3t and -t) and the 'g' terms (2g and -3g).
The simplification process goes as follows:
Combine all 't' terms: 3t - t = 2t
Combine all 'g' terms: 2g - 3g = -1g (or simply -g)
After combining like terms, the simplified expression is:
2t - g