Question

Evaluate each expression.
5. 3d + 4(d – 1), given d= 7
How do you solve this expression?

Answer 1

Explanation:

3d + 4(d – 1)

=3(7) + 4(7 – 1)

=21 + 28 – 4

=21 + 24

=55

Answer 2

Explanation:

3d + 4(d-1) ; d=7

Plug in 7 for d.

3(7) + 4(7-1)

Then multiply and distribute.

21 + 28 - 4

Add like terms.

21 + 24

Add like terms.

45

Hope this is what you were asking for :)