Question

Write a number or expression in each blank line to create true equations. 4(3b - 4) = ________ - _________ *

Answer 1

`4(3b-4)=\mathbf{12b-16}`

1) We are going to tackle this problem, looking for equivalent expressions.

2) So let's expand that product and then we can come up to the other expression. Like this:

`\begin{gathered} 4(3b-4)=12b-16 \\ \end{gathered}`

So 12b -16 is equivalent to the product on the left.