combine like terms to create an equivalent expression. -3.6 - 1.9t + 1.2 + 5.1t

Explanation:

Step1: Combine constant - terms

$-3.6 + 1.2=-2.4$

Step2: Combine terms with variable $t$

$-1.9t+5.1t = (-1.9 + 5.1)t=3.2t$

Step3: Write the equivalent expression

The equivalent expression is $3.2t - 2.4$

Answer:

$3.2t - 2.4$