Combine Constants: We need to combine like terms to simplify the expression. The like terms are the constants −3.6 and 1.2 and the terms with t−1.9t and 5.1t. First, let's combine the constants: −3.6+1.2.
Calculate Sum of Constants: Calculating the sum of the constants: −3.6+1.2=−2.4.
Combine Terms with t: Next, we combine the terms with t: −1.9t+5.1t.
Calculate Sum of Terms with t: Calculating the sum of the terms with t: −1.9t+5.1t=3.2t.
Combine Results: Now we combine the results from the previous steps to get the final simplified expression: −2.4+3.2t.
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