Answer:
Equivalent Expression of given Expression is 84x - 16y - 10.6.
Explanation:
Given Expression is :

We have to find: Equivalent Expression
To find Equivalent expression we simplify the given expression.
Consider,

Group like terms,

Now solve like terms,

Now, using Distributive Property


Therefore, Equivalent Expression of given Expression is 84x - 16y - 10.6.