Question

use properties and definitions of operations to show that the statement is true. Justify each step. 7a + (4 + 5a) = 12a + 4

Answer 1

so, you want to make either the left or the right be exactly the left or right respectively without modifying the other side

Answer 2

let's make the left =right

Answer 3

so start here \[7a+(4+5a)=?\]

Answer 4

can you simplify that?

Answer 5

Im not quite sure

Answer 6

so first, what is the order of operations?

Answer 7

yes

Answer 8

that wasn't a yes or no question...