Question

equivalent expression.

(3.4 - 2.8d + 2.8d - 1.3)

Explanation:

Group the like terms

$$ (3.4 - 1.3) + (-2.8d + 2.8d) $$

Simplify the variable terms

$$ -2.8d + 2.8d = 0 $$

Simplify the constant terms

$$ 3.4 - 1.3 = 2.1 $$

Answer:

Write an equivalent expression.

\(3.4 - 2.8d + 2.8d - 1.3 =\) <blank>\(2.1\)</blank>