Question

Hi please help the blue line is what I have to solve for

Answer 1

7d - 4 + 3 - 2d = 5d - 1

Step-by-step explanation:

To simplify the expression on the left-hand side, we add the numbers to numbers and the variables to variables.

The rearranging the addition on the left-hand side gives

`(7d-2d)+(-4+3)`
`=5d-1`

Hence, we see that

`7d-4+3-2d=5d-1`

therefore, the term to be put on the blue line is 5d.